Year	Number of
1800	301900
1801	302700
1802	303500
1803	304300
1804	305100
1805	305900
1806	306700
1807	307500
1808	308300
1809	309100
1810	310000
1811	310900
1812	311900
1813	312900
1814	314100
1815	315400
1816	316700
1817	318200
1818	319700
1819	321300
1820	323100
1821	324900
1822	326800
1823	328900
1824	331000
1825	333200
1826	335600
1827	338000
1828	340600
1829	343200
1830	346000
1831	348900
1832	351800
1833	354700
1834	357600
1835	360600
1836	363600
1837	366600
1838	369700
1839	372800
1840	375900
1841	379000
1842	382300
1843	385700
1844	389100
1845	392700
1846	396400
1847	400100
1848	404000
1849	407900
1850	412000
1851	415700
1852	419500
1853	423400
1854	427500
1855	431600
1856	435800
1857	440100
1858	444600
1859	449100
1860	453800
1861	458700
1862	463900
1863	469300
1864	474800
1865	480200
1866	485500
1867	490900
1868	496300
1869	501700
1870	507200
1871	512800
1872	518300
1873	523900
1874	529600
1875	535200
1876	541200
1877	547200
1878	553500
1879	559900
1880	566300
1881	571700
1882	577600
1883	584300
1884	590300
1885	597300
1886	604500
1887	611100
1888	618000
1889	625000
1890	632500
1891	639800
1892	647100
1893	654800
1894	662800
1895	720100
1896	727900
1897	736200
1898	744400
1899	753400
1900	762300
1901	770800
1902	779800
1903	787700
1904	790400
1905	792500
1906	814300
1907	848700
1908	852100
1909	855400
1910	858600
1911	861700
1912	864400
1913	867000
1914	839100
1915	827400
1916	814300
1917	799100
1918	785400
1919	772700
1920	820500
1921	779600
1922	785400
1923	792700
1924	798700
1925	806000
1926	812200
1927	819700
1928	813600
1929	808700
1930	810200
1931	811100
1932	811900
1933	812100
1934	812200
1935	811700
1936	811100
1937	810000
1938	861500
1939	915300
1940	971700
1941	1031000
1942	1010000
1943	990200
1944	970300
1945	950600
1946	931000
1947	911700
1948	892500
1949	873600
1950	854900
1951	790200
1952	799600
1953	806700
1954	812700
1955	819800
1956	829200
1957	835000
1958	837800
1959	838500
1960	837100
1961	833600
1962	825100
1963	814500
1964	803800
1965	795100
1966	786600
1967	779500
1968	772300
1969	763100
1970	751300
1971	737300
1972	719800
1973	700800
1974	682000
1975	665300
1976	649900
1977	635100
1978	621200
1979	608000
1980	594500
1981	581300
1982	567500
1983	552500
1984	535200
1985	515400
1986	493400
1987	468700
1988	442600
1989	417300
1990	395100
1991	375000
1992	357400
1993	342400
1994	326900
1995	310300
1996	293900
1997	276100
1998	258900
1999	243500
2000	230100
2001	219400
2002	210800
2003	202700
2004	222800
2005	187400
2006	179700
2007	172000
2008	164400
2009	158900
2010	154300
2011	152200
2012	152000
2013	152600
2014	151200
2015	147200
