observation_date,M0460AUSM319NNBR 1910-01-01,107 1910-02-01,105 1910-03-01,107 1910-04-01,106 1910-05-01,104 1910-06-01,104 1910-07-01,102 1910-08-01,100 1910-09-01,103 1910-10-01,102 1910-11-01,101 1910-12-01,101 1911-01-01,100 1911-02-01,97 1911-03-01,94 1911-04-01,92 1911-05-01,92 1911-06-01,93 1911-07-01,95 1911-08-01,95 1911-09-01,95 1911-10-01,93 1911-11-01,93 1911-12-01,95 1912-01-01,96 1912-02-01,97 1912-03-01,98 1912-04-01,102 1912-05-01,103 1912-06-01,101 1912-07-01,99 1912-08-01,98 1912-09-01,98 1912-10-01,100 1912-11-01,98 1912-12-01,98 1913-01-01,97 1913-02-01,98 1913-03-01,99 1913-04-01,99 1913-05-01,98 1913-06-01,100 1913-07-01,100 1913-08-01,101 1913-09-01,105 1913-10-01,108 1913-11-01,108 1913-12-01,106 1914-01-01,105 1914-02-01,105 1914-03-01,104 1914-04-01,103 1914-05-01,103 1914-06-01,102 1914-07-01,102 1914-08-01,101 1914-09-01,100 1914-10-01,97 1914-11-01,97 1914-12-01,98 1915-01-01,99 1915-02-01,99 1915-03-01,97 1915-04-01,99 1915-05-01,101 1915-06-01,99 1915-07-01,97 1915-08-01,95 1915-09-01,97 1915-10-01,102 1915-11-01,102 1915-12-01,102 1916-01-01,105 1916-02-01,107 1916-03-01,108 1916-04-01,109 1916-05-01,110 1916-06-01,111 1916-07-01,113 1916-08-01,119 1916-09-01,127 1916-10-01,133 1916-11-01,141 1916-12-01,142 1917-01-01,143 1917-02-01,150 1917-03-01,156 1917-04-01,173 1917-05-01,183 1917-06-01,185 1917-07-01,184 1917-08-01,185 1917-09-01,188 1917-10-01,194 1917-11-01,194 1917-12-01,197 1918-01-01,201 1918-02-01,204 1918-03-01,202 1918-04-01,202 1918-05-01,201 1918-06-01,198 1918-07-01,202 1918-08-01,209 1918-09-01,217 1918-10-01,215 1918-11-01,211 1918-12-01,213 1919-01-01,209 1919-02-01,200 1919-03-01,203 1919-04-01,213 1919-05-01,220 1919-06-01,220 1919-07-01,227 1919-08-01,227 1919-09-01,217 1919-10-01,219 1919-11-01,227 1919-12-01,227 1920-01-01,229 1920-02-01,229 1920-03-01,229 1920-04-01,235 1920-05-01,236 1920-06-01,233 1920-07-01,227 1920-08-01,211 1920-09-01,201 1920-10-01,187 1920-11-01,168 1920-12-01,148 1921-01-01,141 1921-02-01,129 1921-03-01,127 1921-04-01,118 1921-05-01,114 1921-06-01,112 1921-07-01,116 1921-08-01,121 1921-09-01,125 1921-10-01,131 1921-11-01,129 1921-12-01,126 1922-01-01,119 1922-02-01,127 1922-03-01,129 1922-04-01,128 1922-05-01,133 1922-06-01,134 1922-07-01,132 1922-08-01,127 1922-09-01,127 1922-10-01,133 1922-11-01,139 1922-12-01,143 1923-01-01,143 1923-02-01,143 1923-03-01,143 1923-04-01,144 1923-05-01,141 1923-06-01,139 1923-07-01,136 1923-08-01,134 1923-09-01,141 1923-10-01,144 1923-11-01,147 1923-12-01,147 1924-01-01,147 1924-02-01,145 1924-03-01,138 1924-04-01,140 1924-05-01,138 1924-06-01,136 1924-07-01,138 1924-08-01,146 1924-09-01,140 1924-10-01,147 1924-11-01,147 1924-12-01,151 1925-01-01,157 1925-02-01,155 1925-03-01,159 1925-04-01,155 1925-05-01,154 1925-06-01,157 1925-07-01,159 1925-08-01,159 1925-09-01,153 1925-10-01,156 1925-11-01,156 1925-12-01,155 1926-01-01,154 1926-02-01,154 1926-03-01,149 1926-04-01,151 1926-05-01,149 1926-06-01,146 1926-07-01,141 1926-08-01,140 1926-09-01,143 1926-10-01,139 1926-11-01,140 1926-12-01,138 1927-01-01,137 1927-02-01,137 1927-03-01,134 1927-04-01,134 1927-05-01,136 1927-06-01,137 1927-07-01,136 1927-08-01,140 1927-09-01,148 1927-10-01,149 1927-11-01,149 1927-12-01,149 1928-01-01,148 1928-02-01,145 1928-03-01,147 1928-04-01,150 1928-05-01,155 1928-06-01,150 1928-07-01,151 1928-08-01,145 1928-09-01,149 1928-10-01,148 1928-11-01,146 1928-12-01,148 1929-01-01,145 1929-02-01,148 1929-03-01,148 1929-04-01,147 1929-05-01,144 1929-06-01,145 1929-07-01,150 1929-08-01,151 1929-09-01,149 1929-10-01,149 1929-11-01,147 1929-12-01,147 1930-01-01,145 1930-02-01,141 1930-03-01,136 1930-04-01,137 1930-05-01,133 1930-06-01,128 1930-07-01,117 1930-08-01,115 1930-09-01,119 1930-10-01,114 1930-11-01,110 1930-12-01,104 1931-01-01,100 1931-02-01,95 1931-03-01,97 1931-04-01,97 1931-05-01,90 1931-06-01,85 1931-07-01,84 1931-08-01,82 1931-09-01,80 1931-10-01,76 1931-11-01,80 1931-12-01,76 1932-01-01,71 1932-02-01,68 1932-03-01,70 1932-04-01,68 1932-05-01,63 1932-06-01,59 1932-07-01,63 1932-08-01,65 1932-09-01,66 1932-10-01,63 1932-11-01,63 1932-12-01,62 1933-01-01,59 1933-02-01,54 1933-03-01,56 1933-04-01,60 1933-05-01,70 1933-06-01,71 1933-07-01,83 1933-08-01,78 1933-09-01,78 1933-10-01,78 1933-11-01,80 1933-12-01,77 1934-01-01,76 1934-02-01,83 1934-03-01,84 1934-04-01,82 1934-05-01,82 1934-06-01,84 1934-07-01,86 1934-08-01,95 1934-09-01,101 1934-10-01,100 1934-11-01,101 1934-12-01,101 1935-01-01,108 1935-02-01,112 1935-03-01,112 1935-04-01,114 1935-05-01,111 1935-06-01,106 1935-07-01,104 1935-08-01,105 1935-09-01,106 1935-10-01,108 1935-11-01,108 1935-12-01,113 1936-01-01,109 1936-02-01,111 1936-03-01,107 1936-04-01,108 1936-05-01,107 1936-06-01,109 1936-07-01,115 1936-08-01,121 1936-09-01,121 1936-10-01,119 1936-11-01,119 1936-12-01,123 1937-01-01,127 1937-02-01,128 1937-03-01,132 1937-04-01,132 1937-05-01,130 1937-06-01,125 1937-07-01,126 1937-08-01,122 1937-09-01,119 1937-10-01,113 1937-11-01,109 1937-12-01,107 1938-01-01,104 1938-02-01,99 1938-03-01,99 1938-04-01,97 1938-05-01,95 1938-06-01,95 1938-07-01,97 1938-08-01,93 1938-09-01,95 1938-10-01,94 1938-11-01,96 1938-12-01,99 1939-01-01,96 1939-02-01,95 1939-03-01,95 1939-04-01,94 1939-05-01,93 1939-06-01,91 1939-07-01,91 1939-08-01,90 1939-09-01,99 1939-10-01,99 1939-11-01,100 1939-12-01,99 1940-01-01,101 1940-02-01,104 1940-03-01,103 1940-04-01,103 1940-05-01,101 1940-06-01,96 1940-07-01,97 1940-08-01,95 1940-09-01,98 1940-10-01,100 1940-11-01,102 1940-12-01,104 1941-01-01,108 1941-02-01,107 1941-03-01,108 1941-04-01,114 1941-05-01,115 1941-06-01,120 1941-07-01,126 1941-08-01,130 1941-09-01,139 1941-10-01,137 1941-11-01,136 1941-12-01,142 1942-01-01,148 1942-02-01,150 1942-03-01,151 1942-04-01,154 1942-05-01,154 1942-06-01,154 1942-07-01,156 1942-08-01,160 1942-09-01,164 1942-10-01,168 1942-11-01,170 1942-12-01,176 1943-01-01,183 1943-02-01,187 1943-03-01,194 1943-04-01,196 1943-05-01,194 1943-06-01,194 1943-07-01,192 1943-08-01,193 1943-09-01,194 1943-10-01,197 1943-11-01,196 1943-12-01,199 1944-01-01,201 1944-02-01,198 1944-03-01,200 1944-04-01,199 1944-05-01,198 1944-06-01,196 1944-07-01,193 1944-08-01,192 1944-09-01,195 1944-10-01,195 1944-11-01,197 1944-12-01,202 1945-01-01,206 1945-02-01,203 1945-03-01,205 1945-04-01,208 1945-05-01,205 1945-06-01,209 1945-07-01,208 1945-08-01,206 1945-09-01,202 1945-10-01,206 1945-11-01,210 1945-12-01,213 1946-01-01,214 1946-02-01,213 1946-03-01,215 1946-04-01,217 1946-05-01,218 1946-06-01,222 1946-07-01,243 1946-08-01,248 1946-09-01,244 1946-10-01,271 1946-11-01,263 1946-12-01,262 1947-01-01,256 1947-02-01,260 1947-03-01,279 1947-04-01,273 1947-05-01,267 1947-06-01,265 1947-07-01,271 1947-08-01,274 1947-09-01,286 1947-10-01,287 1947-11-01,289 1947-12-01,304 1948-01-01,310 1948-02-01,283 1948-03-01,286 1948-04-01,292 1948-05-01,290 1948-06-01,294 1948-07-01,297 1948-08-01,290 1948-09-01,289 1948-10-01,274 1948-11-01,269 1948-12-01,268 1949-01-01,267 1949-02-01,257 1949-03-01,262 1949-04-01,258 1949-05-01,255 1949-06-01,249 1949-07-01,244 1949-08-01,243 1949-09-01,248 1949-10-01,242 1949-11-01,237 1949-12-01,237 1950-01-01,235 1950-02-01,239 1950-03-01,241 1950-04-01,245 1950-05-01,250 1950-06-01,249 1950-07-01,261 1950-08-01,267 1950-09-01,274 1950-10-01,268 1950-11-01,276 1950-12-01,289 1951-01-01,301 1951-02-01,313 1951-03-01,311 1951-04-01,312 1951-05-01,306 1951-06-01,300 1951-07-01,294 1951-08-01,291 1951-09-01,292 1951-10-01,297 1951-11-01,303 1951-12-01,306 1952-01-01,299 1952-02-01,293 1952-03-01,291 1952-04-01,292 1952-05-01,291 1952-06-01,290 1952-07-01,292 1952-08-01,294 1952-09-01,288 1952-10-01,280 1952-11-01,275 1952-12-01,267 1953-01-01,266 1953-02-01,261 1953-03-01,261 1953-04-01,257 1953-05-01,259 1953-06-01,251 1953-07-01,254 1953-08-01,251 1953-09-01,253 1953-10-01,246 1953-11-01,246 1953-12-01,250 1954-01-01,254 1954-02-01,254 1954-03-01,252 1954-04-01,253 1954-05-01,252 1954-06-01,244 1954-07-01,243 1954-08-01,246 1954-09-01,242 1954-10-01,237 1954-11-01,237 1954-12-01,234 1955-01-01,238 1955-02-01,240 1955-03-01,240 1955-04-01,241 1955-05-01,236 1955-06-01,235 1955-07-01,232 1955-08-01,229 1955-09-01,231 1955-10-01,227 1955-11-01,222 1955-12-01,219 1956-01-01,222 1956-02-01,222 1956-03-01,224 1956-04-01,229 1956-05-01,235 1956-06-01,238 1956-07-01,237 1956-08-01,234 1956-09-01,233 1956-10-01,230 1956-11-01,229 1956-12-01,229 1957-01-01,231 1957-02-01,229 1957-03-01,230 1957-04-01,232 1957-05-01,233 1957-06-01,233 1957-07-01,239 1957-08-01,242 1957-09-01,240 1957-10-01,236 1957-11-01,235 1957-12-01,237 1958-01-01,241 1958-02-01,246 1958-03-01,257 1958-04-01,256 1958-05-01,256 1958-06-01,251 1958-07-01,251 1958-08-01,250 1958-09-01,254 1958-10-01,250 1958-11-01,247 1958-12-01,244 1959-01-01,245 1959-02-01,243 1959-03-01,244 1959-04-01,245 1959-05-01,245 1959-06-01,243 1959-07-01,241 1959-08-01,239 1959-09-01,240 1959-10-01,236 1959-11-01,232 1959-12-01,230 1960-01-01,233 1960-02-01,234 1960-03-01,241 1960-04-01,242 1960-05-01,240 1960-06-01,235 1960-07-01,237 1960-08-01,235 1960-09-01,238 1960-10-01,241 1960-11-01,242 1960-12-01,243 1961-01-01,242 1961-02-01,244 1961-03-01,244 1961-04-01,242 1961-05-01,237 1961-06-01,234 1961-07-01,236 1961-08-01,240 1961-09-01,242 1961-10-01,239 1961-11-01,240 1961-12-01,240 1962-01-01,244 1962-02-01,245 1962-03-01,246 1962-04-01,243 1962-05-01,242 1962-06-01,240 1962-07-01,240 1962-08-01,245 1962-09-01,250 1962-10-01,246 1962-11-01,245 1962-12-01,245 1963-01-01,247 1963-02-01,245 1963-03-01,242 1963-04-01,242 1963-05-01,240 1963-06-01,242 1963-07-01,244 1963-08-01,242 1963-09-01,243 1963-10-01,242 1963-11-01,242 1963-12-01,238 1964-01-01,243 1964-02-01,241 1964-03-01,240 1964-04-01,238 1964-05-01,236 1964-06-01,234 1964-07-01,235 1964-08-01,234 1964-09-01,239 1964-10-01,236 1964-11-01,234 1964-12-01,235 1965-01-01,236 1965-02-01,238 1965-03-01,240 1965-04-01,244 1965-05-01,251 1965-06-01,254 1965-07-01,252 1965-08-01,249 1965-09-01,249 1965-10-01,249 1965-11-01,249 1965-12-01,259 1966-01-01,262 1966-02-01,270 1966-03-01,269 1966-04-01,265 1966-05-01,263 1966-06-01,264 1966-07-01,267 1966-08-01,272 1966-09-01,270 1966-10-01,266 1966-11-01,259 1966-12-01,258 1967-01-01,255