Year	Number of
1800	26360
1801	26410
1802	26450
1803	26500
1804	26540
1805	26590
1806	26630
1807	26680
1808	26720
1809	26770
1810	26820
1811	26880
1812	26960
1813	27050
1814	27170
1815	27310
1816	27460
1817	27610
1818	27780
1819	27960
1820	28150
1821	28350
1822	28560
1823	28770
1824	29000
1825	29230
1826	29480
1827	29740
1828	30020
1829	30320
1830	30630
1831	30360
1832	30100
1833	29830
1834	29560
1835	29280
1836	29000
1837	28710
1838	28400
1839	28090
1840	26900
1841	28100
1842	32700
1843	28010
1844	27310
1845	28070
1846	38720
1847	35330
1848	31140
1849	29130
1850	30950
1851	31790
1852	32800
1853	30260
1854	30930
1855	35900
1856	32530
1857	36210
1858	35190
1859	42820
1860	35950
1861	38810
1862	37760
1863	39510
1864	38880
1865	42110
1866	40880
1867	38260
1868	41610
1869	36240
1870	41850
1871	47930
1872	45610
1873	42070
1874	39030
1875	44680
1876	41750
1877	39960
1878	42420
1879	40230
1880	44740
1881	39400
1882	38370
1883	40540
1884	44030
1885	39410
1886	43450
1887	37820
1888	39870
1889	40330
1890	39610
1891	40700
1892	41120
1893	39460
1894	36680
1895	38840
1896	36050
1897	34180
1898	36110
1899	35950
1900	36440
1901	38920
1902	34340
1903	33640
1904	35700
1905	32630
1906	31820
1907	29590
1908	32050
1909	26440
1910	27410
1911	31440
1912	23490
1913	24350
1914	25330
1915	22880
1916	24590
1917	24690
1918	31030
1919	25490
1920	24080
1921	21970
1922	19400
1923	17690
1924	15180
1925	14640
1926	15320
1927	14690
1928	13210
1929	14470
1930	12590
1931	12210
1932	11480
1933	10590
1934	10630
1935	10010
1936	10050
1937	9630
1938	9787
1939	8986
1940	10540
1941	11640
1942	11220
1943	13020
1944	15000
1945	22230
1946	13450
1947	9163
1948	7938
1949	7468
1950	8522
1951	7195
1952	6203
1953	5521
1954	5124
1955	4949
1956	4884
1957	4976
1958	5103
1959	5239
1960	5281
1961	5288
1962	5152
1963	4993
1964	4785
1965	4592
1966	4446
1967	4276
1968	4101
1969	3908
1970	3670
1971	3435
1972	3166
1973	2897
1974	2669
1975	2467
1976	2286
1977	2135
1978	2010
1979	1922
1980	1865
1981	1827
1982	1820
1983	1820
1984	1800
1985	1792
1986	1776
1987	1730
1988	1676
1989	1622
1990	1572
1991	1526
1992	1482
1993	1438
1994	1388
1995	1353
1996	1311
1997	1265
1998	1237
1999	1213
2000	1196
2001	1188
2002	1167
2003	1147
2004	1137
2005	1093
2006	1034
2007	963
2008	888
2009	821
2010	765
2011	739
2012	725
2013	699
2014	692
2015	682