Year	Number of
1800	32000
1801	32140
1802	32280
1803	32420
1804	32560
1805	32700
1806	32840
1807	32990
1808	33130
1809	33270
1810	33430
1811	33580
1812	33730
1813	33890
1814	34060
1815	34230
1816	34400
1817	34580
1818	34760
1819	34950
1820	35150
1821	35350
1822	35550
1823	35760
1824	35980
1825	36200
1826	36430
1827	36660
1828	36900
1829	37140
1830	37390
1831	37650
1832	37910
1833	38170
1834	38430
1835	38690
1836	38960
1837	39220
1838	39490
1839	39760
1840	40030
1841	40310
1842	40580
1843	40860
1844	41140
1845	41420
1846	41700
1847	41990
1848	42280
1849	42570
1850	42860
1851	43150
1852	43440
1853	43730
1854	44030
1855	44330
1856	44630
1857	44930
1858	45240
1859	45540
1860	45850
1861	46160
1862	46470
1863	46790
1864	47100
1865	47420
1866	47740
1867	48070
1868	48390
1869	48720
1870	49050
1871	49380
1872	49720
1873	50050
1874	50380
1875	50720
1876	51070
1877	51410
1878	51760
1879	52110
1880	52460
1881	52810
1882	53160
1883	53520
1884	53880
1885	54250
1886	54610
1887	54980
1888	55350
1889	55720
1890	56100
1891	56480
1892	56860
1893	57250
1894	57640
1895	58020
1896	58400
1897	58780
1898	59160
1899	59530
1900	59890
1901	60240
1902	60580
1903	60920
1904	61250
1905	61570
1906	61890
1907	62190
1908	62490
1909	62780
1910	63060
1911	63340
1912	63620
1913	63890
1914	64170
1915	64450
1916	64730
1917	65010
1918	65300
1919	65580
1920	65870
1921	66160
1922	66450
1923	66740
1924	67030
1925	67320
1926	67800
1927	68180
1928	68660
1929	68880
1930	69100
1931	69320
1932	69530
1933	69730
1934	69920
1935	70110
1936	70290
1937	70470
1938	70640
1939	70800
1940	70950
1941	71100
1942	71240
1943	71380
1944	71510
1945	71630
1946	69580
1947	67780
1948	65800
1949	63850
1950	62130
1951	61800
1952	61740
1953	61600
1954	61560
1955	61230
1956	59500
1957	57810
1958	56160
1959	54550
1960	53000
1961	51490
1962	50040
1963	48640
1964	47320
1965	46070
1966	45620
1967	45140
1968	39880
1969	41400
1970	43190
1971	45200
1972	47400
1973	49890
1974	52580
1975	55240
1976	57960
1977	60540
1978	62980
1979	65100
1980	66970
1981	68620
1982	69450
1983	69880
1984	70440
1985	71750
1986	73410
1987	76040
1988	78800
1989	80780
1990	81640
1991	81920
1992	81010
1993	79480
1994	77940
1995	76800
1996	75720
1997	74570
1998	73290
1999	71520
2000	69120
2001	66320
2002	63150
2003	59820
2004	56510
2005	53530
2006	50680
2007	48310
2008	46350
2009	44880
2010	43650
2011	42740
2012	41950
2013	41270
2014	40700
2015	40080
