Year	Number of
1800	979
1801	979
1802	979
1803	979
1804	980
1805	980
1806	980
1807	980
1808	980
1809	980
1810	982
1811	982
1812	983
1813	984
1814	986
1815	988
1816	991
1817	995
1818	999
1819	1003
1820	1007
1821	1012
1822	1017
1823	1023
1824	1031
1825	1037
1826	1044
1827	1052
1828	1061
1829	1069
1830	1080
1831	1089
1832	1099
1833	1109
1834	1119
1835	1129
1836	1139
1837	1151
1838	1162
1839	1172
1840	1183
1841	1193
1842	1204
1843	1216
1844	1227
1845	1238
1846	1249
1847	1261
1848	1272
1849	1283
1850	1297
1851	1308
1852	1320
1853	1332
1854	1344
1855	1355
1856	1369
1857	1381
1858	1394
1859	1406
1860	1419
1861	1432
1862	1444
1863	1459
1864	1472
1865	1485
1866	1499
1867	1512
1868	1526
1869	1539
1870	1555
1871	1569
1872	1583
1873	1597
1874	1611
1875	1625
1876	1642
1877	1656
1878	1671
1879	1686
1880	1701
1881	1715
1882	1731
1883	1749
1884	1764
1885	1780
1886	1796
1887	1811
1888	1828
1889	1846
1890	1863
1891	1879
1892	1896
1893	1913
1894	1930
1895	1947
1896	1967
1897	1984
1898	2000
1899	2018
1900	2034
1901	2050
1902	2069
1903	2085
1904	2101
1905	2116
1906	2132
1907	2146
1908	2161
1909	2179
1910	2193
1911	2208
1912	2222
1913	2237
1914	2251
1915	2266
1916	2284
1917	2298
1918	2313
1919	2329
1920	2344
1921	2359
1922	2377
1923	2393
1924	2408
1925	2424
1926	2440
1927	2452
1928	2468
1929	2480
1930	2514
1931	2548
1932	2581
1933	2615
1934	2648
1935	2681
1936	2638
1937	2586
1938	2541
1939	2496
1940	2443
1941	2397
1942	2351
1943	2296
1944	2248
1945	2200
1946	2144
1947	2096
1948	2047
1949	1990
1950	1940
1951	1941
1952	1955
1953	1966
1954	1965
1955	1968
1956	1967
1957	1955
1958	1948
1959	1940
1960	1942
1961	1944
1962	1948
1963	1952
1964	1957
1965	1961
1966	1964
1967	1963
1968	1959
1969	2025
1970	1803
1971	1630
1972	1481
1973	1355
1974	1248
1975	1160
1976	1085
1977	1025
1978	982
1979	959
1980	957
1981	965
1982	983
1983	1005
1984	1019
1985	1017
1986	1001
1987	969
1988	930
1989	891
1990	863
1991	832
1992	808
1993	787
1994	763
1995	730
1996	686
1997	633
1998	572
1999	509
2000	450
2001	400
2002	361
2003	333
2004	315
2005	307
2006	307
2007	310
2008	313
2009	315
2010	314
2011	308
2012	298
2013	288
2014	277
2015	267