Year	Number of
1800	141100
1801	141600
1802	142000
1803	142500
1804	142900
1805	143400
1806	143900
1807	144300
1808	144800
1809	145200
1810	145700
1811	146200
1812	146700
1813	147200
1814	147700
1815	148300
1816	148800
1817	149400
1818	150000
1819	150600
1820	151200
1821	151800
1822	152500
1823	153100
1824	153800
1825	154500
1826	155200
1827	155900
1828	156700
1829	157500
1830	158200
1831	159000
1832	159800
1833	160600
1834	161500
1835	162300
1836	163100
1837	163900
1838	164700
1839	165600
1840	166400
1841	167300
1842	168200
1843	169200
1844	170200
1845	171200
1846	172300
1847	173400
1848	174600
1849	175800
1850	177000
1851	178400
1852	179800
1853	181200
1854	182700
1855	184200
1856	185700
1857	187400
1858	189000
1859	190700
1860	192500
1861	194400
1862	196300
1863	198200
1864	200200
1865	202200
1866	204300
1867	206500
1868	208700
1869	210900
1870	213200
1871	215600
1872	218000
1873	220200
1874	222700
1875	225300
1876	227900
1877	230500
1878	233300
1879	236200
1880	239100
1881	241900
1882	244900
1883	247900
1884	250800
1885	254000
1886	257200
1887	260300
1888	263700
1889	267300
1890	271000
1891	284700
1892	299200
1893	314500
1894	289400
1895	269200
1896	278900
1897	305700
1898	302600
1899	325300
1900	304800
1901	304800
1902	302400
1903	302200
1904	300900
1905	324800
1906	316100
1907	317700
1908	309400
1909	302400
1910	315800
1911	308100
1912	298700
1913	290800
1914	283000
1915	274500
1916	267000
1917	259700
1918	260800
1919	262700
1920	264400
1921	266700
1922	271100
1923	265900
1924	273900
1925	282200
1926	266400
1927	219900
1928	269700
1929	265900
1930	268600
1931	264700
1932	267300
1933	286100
1934	286400
1935	273900
1936	302400
1937	326500
1938	307600
1939	254200
1940	325700
1941	296700
1942	334700
1943	308400
1944	310800
1945	306200
1946	305800
1947	294900
1948	278200
1949	312400
1950	305600
1951	296200
1952	290700
1953	285100
1954	279500
1955	273800
1956	268200
1957	262600
1958	257100
1959	251700
1960	248900
1961	246300
1962	243900
1963	230100
1964	233600
1965	235800
1966	237400
1967	237500
1968	236400
1969	235600
1970	235500
1971	236800
1972	238500
1973	240200
1974	239300
1975	234800
1976	226600
1977	214200
1978	199300
1979	184300
1980	171600
1981	161200
1982	153500
1983	148300
1984	144200
1985	139900
1986	135400
1987	130700
1988	125700
1989	120400
1990	115000
1991	109200
1992	103500
1993	97800
1994	92370
1995	86980
1996	82280
1997	77600
1998	73080
1999	68590
2000	64090
2001	59950
2002	55650
2003	52060
2004	49080
2005	46550
2006	44760
2007	43380
2008	42140
2009	40960
2010	39580
2011	37780
2012	36230
2013	34430
2014	32780
2015	31280
