Year	Number of
1800	295800
1801	297000
1802	297800
1803	299100
1804	299800
1805	301100
1806	301900
1807	303100
1808	303900
1809	305200
1810	306100
1811	307500
1812	308600
1813	310400
1814	311800
1815	313800
1816	315500
1817	334900
1818	338600
1819	342400
1820	346300
1821	347700
1822	349300
1823	350900
1824	352600
1825	354400
1826	351100
1827	359700
1828	368400
1829	377300
1830	386500
1831	406000
1832	426500
1833	447800
1834	470200
1835	493600
1836	515500
1837	538500
1838	534600
1839	517800
1840	548200
1841	557900
1842	599700
1843	548700
1844	556100
1845	567300
1846	628700
1847	569500
1848	625700
1849	575600
1850	604000
1851	572400
1852	582400
1853	545400
1854	544900
1855	521700
1856	479000
1857	600400
1858	583600
1859	675400
1860	559200
1861	593700
1862	630100
1863	668900
1864	676300
1865	767300
1866	705300
1867	741500
1868	740200
1869	716800
1870	739700
1871	836100
1872	778200
1873	809200
1874	798300
1875	663600
1876	621700
1877	609900
1878	609000
1879	584100
1880	639000
1881	597500
1882	609000
1883	620400
1884	634600
1885	616400
1886	647100
1887	603100
1888	612000
1889	641700
1890	649600
1891	637800
1892	678600
1893	670300
1894	661600
1895	701300
1896	641100
1897	691100
1898	661200
1899	681500
1900	724000
1901	656300
1902	581200
1903	649200
1904	626800
1905	658700
1906	596900
1907	569800
1908	578600
1909	544400
1910	510900
1911	595000
1912	442500
1913	446700
1914	445200
1915	358100
1916	295600
1917	273400
1918	239300
1919	232400
1920	220200
1921	246200
1922	257300
1923	279400
1924	220600
1925	212600
1926	194700
1927	172900
1928	158200
1929	151700
1930	129200
1931	125600
1932	118400
1933	114900
1934	95720
1935	156200
1936	95850
1937	92500
1938	86220
1939	106400
1940	92690
1941	89500
1942	86420
1943	83450
1944	80570
1945	77810
1946	75130
1947	72540
1948	70060
1949	67640
1950	65320
1951	63440
1952	62080
1953	60850
1954	59740
1955	58760
1956	57860
1957	57030
1958	56240
1959	55420
1960	54550
1961	52540
1962	50400
1963	48100
1964	45600
1965	42850
1966	39800
1967	36540
1968	35010
1969	32490
1970	29740
1971	26540
1972	22970
1973	19610
1974	16760
1975	14850
1976	13770
1977	13580
1978	13730
1979	13800
1980	13490
1981	12900
1982	11950
1983	11010
1984	10100
1985	9351
1986	8890
1987	8511
1988	8078
1989	7690
1990	7226
1991	6667
1992	6140
1993	5613
1994	5157
1995	4853
1996	4652
1997	4529
1998	4510
1999	4446
2000	4375
2001	4158
2002	3936
2003	3673
2004	3426
2005	3161
2006	3022
2007	2930
2008	2872
2009	2827
2010	2784
2011	2734
2012	2687
2013	2641
2014	2594
2015	2545
