Year	Number of
1800	47120
1801	47520
1802	47930
1803	48340
1804	48750
1805	49160
1806	49580
1807	50000
1808	50430
1809	50860
1810	51360
1811	51790
1812	52230
1813	52660
1814	53100
1815	53530
1816	53970
1817	54400
1818	54840
1819	55280
1820	55720
1821	56160
1822	56590
1823	57030
1824	57470
1825	57910
1826	58350
1827	58790
1828	59230
1829	59670
1830	60110
1831	60550
1832	61000
1833	61440
1834	61890
1835	62350
1836	62800
1837	63260
1838	63730
1839	64190
1840	64660
1841	65140
1842	65610
1843	66160
1844	66710
1845	67270
1846	67830
1847	68390
1848	68960
1849	69530
1850	70100
1851	70300
1852	70510
1853	81050
1854	81500
1855	82860
1856	75900
1857	79090
1858	76440
1859	77470
1860	78000
1861	90380
1862	96320
1863	103300
1864	97260
1865	86990
1866	86560
1867	80990
1868	89940
1869	91450
1870	92970
1871	95630
1872	91780
1873	96980
1874	99030
1875	106300
1876	108700
1877	103700
1878	103600
1879	111900
1880	106000
1881	108100
1882	111900
1883	115200
1884	118500
1885	117500
1886	120700
1887	118600
1888	118900
1889	120100
1890	112100
1891	119600
1892	121800
1893	113500
1894	113700
1895	112800
1896	103400
1897	102200
1898	97390
1899	94120
1900	101600
1901	94080
1902	99190
1903	92110
1904	88640
1905	103900
1906	92450
1907	94290
1908	89060
1909	94430
1910	85750
1911	91110
1912	124700
1913	87300
1914	84910
1915	112500
1916	92430
1917	90210
1918	89670
1919	67080
1920	79470
1921	79780
1922	78330
1923	69390
1924	69160
1925	63840
1926	61980
1927	65180
1928	64270
1929	62250
1930	52960
1931	56220
1932	63720
1933	46060
1934	50710
1935	52180
1936	47040
1937	44600
1938	43740
1939	39720
1940	43210
1941	37620
1942	44260
1943	37510
1944	46390
1945	57370
1946	37730
1947	32230
1948	28760
1949	27600
1950	24400
1951	21420
1952	18600
1953	16080
1954	16770
1955	15980
1956	14890
1957	13460
1958	11700
1959	9866
1960	8312
1961	7255
1962	6645
1963	6272
1964	6071
1965	6034
1966	6235
1967	6637
1968	7070
1969	7354
1970	7462
1971	7411
1972	7182
1973	6831
1974	6460
1975	6110
1976	5806
1977	5585
1978	5447
1979	5280
1980	4949
1981	4393
1982	3664
1983	2955
1984	2450
1985	2185
1986	2102
1987	2219
1988	2455
1989	2709
1990	2821
1991	2735
1992	2487
1993	2141
1994	1816
1995	1573
1996	1390
1997	1248
1998	1142
1999	1052
2000	988
2001	928
2002	891
2003	875
2004	861
2005	845
2006	815
2007	774
2008	735
2009	683
2010	650
2011	616
2012	590
2013	564
2014	543
2015	518