Year	Number of
1800	188800
1801	189300
1802	189800
1803	190300
1804	190800
1805	191400
1806	191900
1807	192400
1808	193000
1809	193500
1810	194100
1811	194600
1812	195200
1813	195900
1814	196600
1815	197300
1816	198100
1817	198900
1818	199700
1819	200600
1820	201600
1821	202500
1822	203600
1823	204600
1824	205700
1825	206900
1826	208100
1827	209300
1828	210600
1829	211900
1830	213300
1831	214700
1832	216200
1833	217600
1834	219100
1835	220500
1836	222000
1837	223500
1838	225000
1839	226500
1840	228000
1841	229500
1842	231000
1843	232500
1844	233900
1845	235400
1846	236900
1847	238400
1848	239800
1849	230400
1850	221300
1851	210300
1852	199800
1853	189800
1854	180300
1855	171100
1856	162700
1857	154400
1858	154900
1859	173300
1860	162000
1861	167000
1862	172300
1863	184600
1864	202300
1865	201000
1866	184200
1867	188900
1868	198200
1869	190600
1870	196100
1871	195600
1872	195200
1873	194700
1874	194300
1875	194000
1876	193600
1877	193200
1878	192900
1879	187300
1880	185600
1881	193800
1882	193100
1883	202700
1884	191500
1885	196600
1886	181900
1887	204700
1888	191800
1889	194400
1890	186200
1891	193600
1892	197900
1893	200500
1894	198600
1895	202400
1896	210300
1897	202500
1898	200400
1899	208700
1900	209800
1901	197500
1902	193300
1903	175300
1904	188300
1905	176700
1906	189500
1907	170800
1908	190500
1909	187900
1910	194800
1911	208600
1912	168600
1913	178100
1914	171000
1915	171700
1916	162100
1917	169500
1918	218000
1919	171200
1920	197600
1921	187000
1922	170500
1923	169300
1924	154100
1925	147900
1926	145700
1927	131000
1928	144100
1929	133100
1930	141200
1931	134600
1932	122700
1933	116900
1934	112500
1935	108500
1936	105800
1937	123900
1938	113000
1939	117700
1940	126000
1941	123700
1942	97630
1943	92130
1944	79960
1945	73890
1946	70590
1947	61670
1948	56120
1949	55650
1950	68330
1951	58040
1952	50710
1953	46080
1954	43880
1955	43280
1956	43050
1957	42560
1958	41640
1959	40010
1960	37880
1961	35390
1962	32840
1963	30400
1964	28320
1965	26600
1966	25110
1967	23670
1968	22200
1969	20620
1970	19090
1971	17590
1972	16390
1973	15770
1974	15860
1975	16280
1976	16300
1977	15570
1978	14240
1979	12640
1980	11060
1981	9647
1982	8458
1983	7475
1984	6612
1985	5973
1986	5481
1987	5189
1988	5024
1989	4881
1990	4666
1991	4426
1992	4209
1993	3896
1994	3584
1995	3282
1996	2984
1997	2763
1998	2599
1999	2474
2000	2439
2001	2436
2002	2514
2003	2614
2004	2665
2005	2679
2006	2674
2007	2590
2008	2515
2009	2402
2010	2249
2011	2132
2012	1978
2013	1808
2014	1665
2015	1566
