Year	Measure
1800	382.1
1801	382.1
1802	382.1
1803	382.1
1804	382.1
1805	382.1
1806	382.1
1807	382.1
1808	382.1
1809	382.1
1810	382.1
1811	382.1
1812	382.1
1813	382.1
1814	382.1
1815	382.1
1816	382.1
1817	382.1
1818	382.1
1819	382.1
1820	382.1
1821	383.4
1822	384.7
1823	386
1824	387.3
1825	388.6
1826	389.9
1827	391.2
1828	392.5
1829	393.9
1830	395.2
1831	396.5
1832	397.9
1833	399.2
1834	400.6
1835	401.9
1836	403.3
1837	404.6
1838	406
1839	407.4
1840	408.7
1841	410.1
1842	411.5
1843	412.9
1844	414.3
1845	415.7
1846	417.1
1847	418.5
1848	419.9
1849	421.3
1850	422.8
1851	424.2
1852	425.6
1853	427.1
1854	428.5
1855	429.9
1856	431.4
1857	432.9
1858	434.3
1859	435.8
1860	437.2
1861	438.7
1862	440.2
1863	441.7
1864	443.2
1865	444.7
1866	446.2
1867	447.7
1868	449.2
1869	450.7
1870	452.2
1871	453.8
1872	455.3
1873	456.8
1874	458.4
1875	459.9
1876	461.5
1877	463
1878	464.6
1879	466.2
1880	467.7
1881	469.3
1882	470.9
1883	472.5
1884	474.1
1885	475.7
1886	477.3
1887	478.9
1888	480.5
1889	482.1
1890	483.8
1891	485.4
1892	487
1893	488.7
1894	490.3
1895	492
1896	493.7
1897	495.3
1898	497
1899	498.7
1900	500.4
1901	502
1902	503.7
1903	505.4
1904	507.1
1905	508.9
1906	510.6
1907	512.3
1908	514
1909	515.8
1910	517.5
1911	519.2
1912	521
1913	522.8
1914	531.5
1915	540.5
1916	549.6
1917	558.8
1918	568.2
1919	577.7
1920	587.4
1921	597.3
1922	607.3
1923	617.5
1924	627.9
1925	638.5
1926	649.2
1927	660.1
1928	671.2
1929	682.5
1930	693.9
1931	705.6
1932	717.4
1933	729.5
1934	741.7
1935	754.2
1936	766.9
1937	779.8
1938	792.9
1939	806.2
1940	819.7
1941	833.5
1942	847.5
1943	861.7
1944	876.2
1945	890.9
1946	905.9
1947	921.1
1948	936.6
1949	952.3
1950	968.3
1951	984.6
1952	1001
1953	1018
1954	1035
1955	1052
1956	1070
1957	1088
1958	1106
1959	1125
1960	1144
1961	1163
1962	1183
1963	1203
1964	1223
1965	1243
1966	1264
1967	1285
1968	1305
1969	1228
1970	1248
1971	1233
1972	852.2
1973	916.3
1974	1116
1975	948.4
1976	1042
1977	1152
1978	1213
1979	1464
1980	1328
1981	1455
1982	1446
1983	1590
1984	1556
1985	1519
1986	1766
1987	1757
1988	1771
1989	1862
1990	1843
1991	1898
1992	2079
1993	2100
1994	2229
1995	2344
1996	2316
1997	2219
1998	2197
1999	2128
2000	1776
2001	1574
2002	1508
2003	1564
2004	1647
2005	1687
2006	1714
2007	1782
2008	1864
2009	1735
2010	1794
2011	1935
2012	1986
2013	1999
2014	2033
2015	2060
2016	2085
2017	2112
2018	2140
2019	2169