Year	Number of
1800	1448
1801	1448
1802	1448
1803	1448
1804	1448
1805	1448
1806	1448
1807	1448
1808	1448
1809	1448
1810	1448
1811	1448
1812	1448
1813	1448
1814	1448
1815	1448
1816	1448
1817	1448
1818	1448
1819	1448
1820	1448
1821	1445
1822	1441
1823	1434
1824	1425
1825	1413
1826	1400
1827	1385
1828	1368
1829	1349
1830	1328
1831	1309
1832	1290
1833	1273
1834	1258
1835	1244
1836	1231
1837	1219
1838	1210
1839	1201
1840	1194
1841	1190
1842	1190
1843	1196
1844	1206
1845	1221
1846	1242
1847	1267
1848	1298
1849	1334
1850	1375
1851	1425
1852	1482
1853	1369
1854	1269
1855	1249
1856	1123
1857	1098
1858	996
1859	908
1860	874
1861	841
1862	743
1863	1160
1864	1452
1865	1494
1866	1485
1867	1523
1868	1583
1869	1722
1870	1740
1871	1548
1872	2005
1873	2296
1874	2523
1875	3190
1876	2725
1877	2434
1878	2351
1879	3172
1880	2813
1881	2704
1882	2611
1883	3213
1884	2350
1885	2668
1886	2968
1887	2799
1888	1981
1889	2214
1890	2209
1891	2632
1892	2502
1893	2483
1894	2269
1895	2510
1896	2141
1897	1987
1898	2285
1899	2845
1900	2196
1901	2166
1902	2623
1903	2682
1904	2377
1905	2344
1906	2154
1907	3429
1908	2558
1909	2344
1910	2554
1911	2072
1912	1938
1913	2314
1914	1974
1915	1939
1916	1988
1917	1835
1918	1691
1919	1470
1920	2049
1921	1828
1922	1591
1923	1616
1924	1454
1925	1619
1926	1639
1927	1645
1928	1406
1929	1268
1930	1348
1931	1350
1932	1432
1933	1473
1934	1559
1935	1694
1936	1739
1937	1687
1938	2290
1939	1924
1940	1710
1941	1907
1942	1789
1943	1937
1944	1978
1945	1793
1946	1661
1947	1578
1948	1554
1949	1711
1950	1851
1951	1734
1952	1644
1953	1593
1954	1576
1955	1592
1956	1636
1957	1691
1958	1744
1959	1775
1960	1768
1961	1719
1962	1649
1963	1553
1964	1467
1965	1399
1966	1347
1967	1304
1968	1274
1969	1252
1970	1239
1971	1228
1972	1233
1973	1230
1974	1209
1975	1153
1976	1081
1977	983
1978	885
1979	799
1980	741
1981	712
1982	707
1983	722
1984	739
1985	744
1986	743
1987	728
1988	708
1989	680
1990	653
1991	623
1992	591
1993	564
1994	539
1995	511
1996	487
1997	460
1998	433
1999	415
2000	401
2001	390
2002	382
2003	384
2004	381
2005	385
2006	392
2007	399
2008	412
2009	414
2010	410
2011	403
2012	389
2013	372
2014	356
2015	342