Year	Number of
1800	1421
1801	1418
1802	1414
1803	1411
1804	1408
1805	1405
1806	1401
1807	1398
1808	1394
1809	1391
1810	1387
1811	1385
1812	1384
1813	1383
1814	1384
1815	1386
1816	1389
1817	1393
1818	1398
1819	1433
1820	1471
1821	1510
1822	1551
1823	1594
1824	1640
1825	1688
1826	1738
1827	1790
1828	1845
1829	1904
1830	1965
1831	2029
1832	2095
1833	2162
1834	2204
1835	2246
1836	2289
1837	2333
1838	2378
1839	2423
1840	2470
1841	2517
1842	2565
1843	2613
1844	2661
1845	2709
1846	2758
1847	2807
1848	2855
1849	2905
1850	2954
1851	3004
1852	3052
1853	3100
1854	3147
1855	3193
1856	3238
1857	3281
1858	3325
1859	3366
1860	3407
1861	3446
1862	3485
1863	3522
1864	3560
1865	3596
1866	3632
1867	3668
1868	3703
1869	3737
1870	3770
1871	3803
1872	3835
1873	3867
1874	3900
1875	3933
1876	3967
1877	4000
1878	4034
1879	4069
1880	4105
1881	4140
1882	4175
1883	4212
1884	4248
1885	4285
1886	4322
1887	4360
1888	4399
1889	4438
1890	4478
1891	4519
1892	4560
1893	4602
1894	4645
1895	4688
1896	4732
1897	4768
1898	4795
1899	4814
1900	4824
1901	4826
1902	4842
1903	4824
1904	4795
1905	4756
1906	4706
1907	3335
1908	3474
1909	2706
1910	2840
1911	2749
1912	4299
1913	2487
1914	4081
1915	1938
1916	2403
1917	2849
1918	2010
1919	3422
1920	2607
1921	3806
1922	1757
1923	3434
1924	2764
1925	2876
1926	2883
1927	1840
1928	3013
1929	2167
1930	2133
1931	2799
1932	1895
1933	2286
1934	2531
1935	2214
1936	2026
1937	2256
1938	2333
1939	2081
1940	1960
1941	2476
1942	1963
1943	1869
1944	1974
1945	1735
1946	1902
1947	2002
1948	1877
1949	1550
1950	1513
1951	1665
1952	1779
1953	1681
1954	1192
1955	1031
1956	906
1957	805
1958	726
1959	664
1960	615
1961	574
1962	536
1963	496
1964	456
1965	417
1966	373
1967	329
1968	288
1969	253
1970	228
1971	210
1972	200
1973	194
1974	187
1975	177
1976	163
1977	146
1978	128
1979	115
1980	105
1981	101
1982	101
1983	102
1984	104
1985	103
1986	99
1987	93
1988	85
1989	78
1990	72
1991	68
1992	65
1993	63
1994	62
1995	60
1996	59
1997	58
1998	57
1999	57
2000	58
2001	59
2002	60
2003	61
2004	61
2005	60
2006	59
2007	56
2008	53
2009	51
2010	49
2011	48
2012	47
2013	46
2014	45
2015	44