Year	Measure
1800	2016
1801	2016
1802	2016
1803	2016
1804	2016
1805	2016
1806	2016
1807	2016
1808	2016
1809	2016
1810	2016
1811	2016
1812	2016
1813	2016
1814	2016
1815	2016
1816	2016
1817	2016
1818	2016
1819	2016
1820	2016
1821	2032
1822	2049
1823	2065
1824	2082
1825	2098
1826	2115
1827	2132
1828	2149
1829	2167
1830	2184
1831	2201
1832	2219
1833	2237
1834	2255
1835	2273
1836	2291
1837	2310
1838	2328
1839	2347
1840	2366
1841	2385
1842	2404
1843	2423
1844	2442
1845	2462
1846	2482
1847	2502
1848	2522
1849	2542
1850	2562
1851	2572
1852	2582
1853	2592
1854	2601
1855	2611
1856	2621
1857	2631
1858	2641
1859	2651
1860	2661
1861	2671
1862	2682
1863	2692
1864	2702
1865	2712
1866	2722
1867	2733
1868	2743
1869	2754
1870	2764
1871	2800
1872	2836
1873	2873
1874	2910
1875	2947
1876	2986
1877	3024
1878	3063
1879	3103
1880	3143
1881	3184
1882	3225
1883	3267
1884	3309
1885	3352
1886	3395
1887	3439
1888	3483
1889	3528
1890	3574
1891	3624
1892	3675
1893	3726
1894	3778
1895	3831
1896	3884
1897	3939
1898	3994
1899	4049
1900	4106
1901	4164
1902	4223
1903	4283
1904	4344
1905	4406
1906	4469
1907	4532
1908	4596
1909	4662
1910	4728
1911	4809
1912	4892
1913	4976
1914	4919
1915	4863
1916	4807
1917	4752
1918	4698
1919	4644
1920	4591
1921	4950
1922	4763
1923	5107
1924	5587
1925	6188
1926	6116
1927	6534
1928	7070
1929	7225
1930	6948
1931	6670
1932	6364
1933	6060
1934	5801
1935	5723
1936	6171
1937	6843
1938	6886
1939	6930
1940	6973
1941	7017
1942	7062
1943	7106
1944	7151
1945	7197
1946	7242
1947	7288
1948	7334
1949	7740
1950	8313
1951	8368
1952	8543
1953	8416
1954	8671
1955	9313
1956	9760
1957	10260
1958	10950
1959	11350
1960	12130
1961	12500
1962	12590
1963	12280
1964	12760
1965	13140
1966	13630
1967	14160
1968	14780
1969	15090
1970	15360
1971	15810
1972	16290
1973	16720
1974	17200
1975	17570
1976	17720
1977	18390
1978	18490
1979	18530
1980	18950
1981	18790
1982	19110
1983	19350
1984	19760
1985	19870
1986	20200
1987	20260
1988	20680
1989	20820
1990	20210
1991	17860
1992	17760
1993	17770
1994	18160
1995	19250
1996	20050
1997	19940
1998	19830
1999	20130
2000	20900
2001	21440
2002	21860
2003	22660
2004	23680
2005	25200
2006	26890
2007	28330
2008	28940
2009	27410
2010	27990
2011	28450
2012	28110
2013	27840
2014	28320
2015	28840
2016	29420
2017	30060
2018	30760
2019	31490
