Year	Number of
1800	1208
1801	1208
1802	1208
1803	1208
1804	1208
1805	1208
1806	1208
1807	1208
1808	1208
1809	1208
1810	1208
1811	1209
1812	1211
1813	1214
1814	1218
1815	1224
1816	1230
1817	1238
1818	1247
1819	1257
1820	1268
1821	1280
1822	1294
1823	1310
1824	1326
1825	1344
1826	1363
1827	1383
1828	1405
1829	1429
1830	1453
1831	1480
1832	1507
1833	1534
1834	1561
1835	1590
1836	1618
1837	1647
1838	1677
1839	1708
1840	1739
1841	1770
1842	1801
1843	1832
1844	1863
1845	1894
1846	1926
1847	1957
1848	1989
1849	2020
1850	2052
1851	2083
1852	2115
1853	2147
1854	2178
1855	2210
1856	2242
1857	2273
1858	2305
1859	2337
1860	2368
1861	2400
1862	2432
1863	2465
1864	2498
1865	2531
1866	2565
1867	2599
1868	2634
1869	2670
1870	2705
1871	2742
1872	2778
1873	2814
1874	2852
1875	2890
1876	2929
1877	2967
1878	3007
1879	3048
1880	3089
1881	3129
1882	3171
1883	3214
1884	3255
1885	3299
1886	3344
1887	3388
1888	3433
1889	3479
1890	3527
1891	3574
1892	3622
1893	3671
1894	3721
1895	3770
1896	3824
1897	3881
1898	3942
1899	4006
1900	4318
1901	4408
1902	4494
1903	4577
1904	4663
1905	4755
1906	4847
1907	4933
1908	5074
1909	5220
1910	5369
1911	5522
1912	5680
1913	5715
1914	5795
1915	5926
1916	6020
1917	6108
1918	6446
1919	6801
1920	7069
1921	7241
1922	7308
1923	7240
1924	7172
1925	7103
1926	7041
1927	6978
1928	6893
1929	6836
1930	7047
1931	7138
1932	7243
1933	7314
1934	7400
1935	7452
1936	7521
1937	7555
1938	7607
1939	7624
1940	7661
1941	7265
1942	6884
1943	6519
1944	6170
1945	5835
1946	5515
1947	5210
1948	4919
1949	4642
1950	4379
1951	4050
1952	4055
1953	4067
1954	4078
1955	4095
1956	4112
1957	4122
1958	4133
1959	4138
1960	4142
1961	4139
1962	4122
1963	4099
1964	4078
1965	4057
1966	4025
1967	3981
1968	3923
1969	3855
1970	3763
1971	3656
1972	3539
1973	3420
1974	3293
1975	3180
1976	3071
1977	2960
1978	2861
1979	2762
1980	2675
1981	2587
1982	2504
1983	2424
1984	2346
1985	2274
1986	2215
1987	2156
1988	2102
1989	2057
1990	2005
1991	1958
1992	1911
1993	1876
1994	1848
1995	1847
1996	1853
1997	1878
1998	1899
1999	1901
2000	1883
2001	1834
2002	1766
2003	1683
2004	1616
2005	1567
2006	1539
2007	1528
2008	1517
2009	1516
2010	1489
2011	1456
2012	1421
2013	1371
2014	1327
2015	1277
