Year	Measure
1800	374.3
1801	374.7
1802	375.2
1803	375.6
1804	376
1805	376.5
1806	376.9
1807	377.4
1808	377.8
1809	378.3
1810	378.7
1811	379.2
1812	379.6
1813	380
1814	380.5
1815	380.9
1816	381.4
1817	381.8
1818	382.3
1819	382.7
1820	383.2
1821	383.6
1822	384.1
1823	384.6
1824	385
1825	385.5
1826	385.9
1827	386.4
1828	386.8
1829	387.3
1830	387.7
1831	388.2
1832	388.6
1833	389.1
1834	389.6
1835	390
1836	390.5
1837	390.9
1838	391.4
1839	391.9
1840	392.3
1841	392.8
1842	393.3
1843	393.7
1844	394.2
1845	394.6
1846	395.1
1847	395.6
1848	396
1849	396.5
1850	397
1851	397.4
1852	397.9
1853	398.4
1854	398.9
1855	399.3
1856	399.8
1857	400.3
1858	400.7
1859	401.2
1860	401.7
1861	402.2
1862	402.6
1863	403.1
1864	403.6
1865	404.1
1866	404.5
1867	405
1868	405.5
1869	406
1870	406.4
1871	406.9
1872	407.4
1873	407.9
1874	408.4
1875	408.8
1876	409.3
1877	409.8
1878	410.3
1879	410.8
1880	411.3
1881	411.7
1882	412.2
1883	412.7
1884	413.2
1885	413.7
1886	414.2
1887	414.7
1888	415.1
1889	415.6
1890	416.1
1891	416.6
1892	417.1
1893	417.6
1894	418.1
1895	418.6
1896	419.1
1897	419.6
1898	420.1
1899	420.6
1900	421.1
1901	422.5
1902	423.9
1903	425.3
1904	426.7
1905	428.2
1906	429.6
1907	431.1
1908	432.5
1909	434
1910	435.4
1911	436.9
1912	438.3
1913	439.8
1914	441.3
1915	442.8
1916	444.3
1917	445.7
1918	447.2
1919	448.7
1920	450.2
1921	451.8
1922	453.3
1923	454.8
1924	456.3
1925	457.9
1926	459.4
1927	460.9
1928	462.5
1929	464
1930	465.6
1931	467.2
1932	468.7
1933	470.3
1934	471.9
1935	473.5
1936	475
1937	476.6
1938	478.2
1939	479.8
1940	481.5
1941	483.1
1942	484.7
1943	486.3
1944	488
1945	489.6
1946	491.2
1947	492.9
1948	494.5
1949	496.2
1950	497.9
1951	517.1
1952	527.2
1953	541.1
1954	562.8
1955	571.6
1956	587.1
1957	598
1958	608.4
1959	633.7
1960	688.4
1961	743.8
1962	817.9
1963	928.2
1964	1056
1965	1186
1966	1220
1967	1285
1968	1313
1969	1258
1970	1207
1971	1094
1972	943.6
1973	982.6
1974	1041
1975	1194
1976	1339
1977	1345
1978	1450
1979	1421
1980	1362
1981	1313
1982	1302
1983	1259
1984	1179
1985	1250
1986	1164
1987	1170
1988	1164
1989	1116
1990	1057
1991	1012
1992	1318
1993	1414
1994	1595
1995	1813
1996	2922
1997	7069
1998	8471
1999	10310
2000	11810
2001	18680
2002	21620
2003	23880
2004	31970
2005	34060
2006	33490
2007	36820
2008	40180
2009	35910
2010	34460
2011	35180
2012	35310
2013	32670
2014	31010
2015	27690
2016	27210
2017	25040
2018	22520
2019	19890