Year	Measure
1764	1587
1765	1590
1766	1593
1767	1596
1768	1599
1769	1602
1770	1605
1771	1608
1772	1611
1773	1614
1774	1616
1775	1619
1776	1622
1777	1625
1778	1628
1779	1631
1780	1634
1781	1637
1782	1640
1783	1643
1784	1646
1785	1650
1786	1653
1787	1656
1788	1659
1789	1662
1790	1665
1791	1668
1792	1671
1793	1674
1794	1677
1795	1680
1796	1683
1797	1686
1798	1689
1799	1693
1800	1696
1801	1707
1802	1719
1803	1731
1804	1743
1805	1755
1806	1767
1807	1779
1808	1792
1809	1804
1810	1816
1811	1829
1812	1842
1813	1854
1814	1867
1815	1880
1816	1893
1817	1906
1818	1919
1819	1932
1820	1946
1821	1959
1822	1973
1823	1986
1824	2000
1825	2014
1826	2028
1827	2042
1828	2056
1829	2070
1830	2084
1831	2092
1832	2099
1833	2107
1834	2115
1835	2122
1836	2130
1837	2138
1838	2145
1839	2153
1840	2161
1841	2169
1842	2177
1843	2184
1844	2192
1845	2200
1846	2208
1847	2216
1848	2224
1849	2232
1850	2240
1851	2209
1852	2237
1853	2218
1854	2265
1855	2229
1856	2403
1857	2502
1858	2470
1859	2456
1860	2572
1861	2484
1862	2582
1863	2744
1864	2793
1865	2777
1866	2779
1867	2771
1868	2921
1869	2919
1870	2886
1871	2851
1872	3031
1873	3136
1874	3333
1875	3315
1876	3249
1877	3190
1878	3300
1879	3183
1880	3125
1881	3178
1882	3208
1883	3363
1884	3418
1885	3478
1886	3470
1887	3570
1888	3673
1889	3734
1890	3810
1891	3761
1892	3875
1893	4026
1894	4076
1895	4215
1896	4299
1897	4354
1898	4469
1899	4559
1900	4684
1901	4506
1902	4541
1903	4721
1904	4839
1905	4871
1906	4946
1907	5092
1908	5107
1909	5139
1910	5253
1911	5349
1912	5530
1913	5725
1914	4801
1915	4549
1916	4605
1917	4633
1918	4681
1919	4058
1920	4387
1921	4830
1922	5227
1923	4315
1924	5020
1925	5542
1926	5657
1927	6185
1928	6418
1929	6358
1930	6235
1931	5730
1932	5275
1933	5580
1934	6054
1935	6465
1936	6984
1937	7352
1938	7836
1939	8484
1940	8478
1941	8962
1942	9007
1943	9242
1944	9547
1945	7084
1946	3479
1947	3823
1948	4447
1949	5151
1950	6090
1951	6600
1952	7144
1953	7697
1954	8233
1955	9097
1956	9693
1957	10190
1958	10570
1959	11260
1960	12090
1961	12480
1962	12900
1963	13160
1964	13840
1965	14410
1966	14730
1967	14750
1968	15480
1969	16380
1970	17010
1971	17380
1972	18020
1973	18780
1974	18930
1975	18890
1976	19900
1977	20510
1978	21110
1979	21960
1980	22150
1981	22200
1982	22030
1983	22490
1984	23200
1985	23760
1986	24270
1987	24640
1988	25360
1989	25980
1990	25000
1991	26130
1992	26510
1993	26120
1994	26720
1995	27150
1996	27340
1997	27790
1998	28290
1999	28840
2000	29730
2001	30060
2002	30040
2003	29950
2004	30260
2005	30500
2006	31720
2007	32840
2008	33160
2009	31570
2010	32890
2011	33900
2012	34130
2013	34410
2014	34980
2015	35510
2016	36050
2017	36590
2018	37110
