Year	Number of
1800	27070
1801	27070
1802	27070
1803	27070
1804	27070
1805	27070
1806	27070
1807	27070
1808	27070
1809	27070
1810	27070
1811	27080
1812	27090
1813	27100
1814	27120
1815	27140
1816	27160
1817	27200
1818	27230
1819	27270
1820	27320
1821	27360
1822	27420
1823	27470
1824	27540
1825	27600
1826	27680
1827	27750
1828	27830
1829	27920
1830	28010
1831	28100
1832	28200
1833	28290
1834	28390
1835	28480
1836	28580
1837	28670
1838	28770
1839	28870
1840	28960
1841	29060
1842	29160
1843	29260
1844	29360
1845	29460
1846	29560
1847	29660
1848	29760
1849	29860
1850	29960
1851	30060
1852	30160
1853	30260
1854	30360
1855	30460
1856	30560
1857	30660
1858	30760
1859	30860
1860	30970
1861	31070
1862	31180
1863	31290
1864	31410
1865	31530
1866	31650
1867	31780
1868	31910
1869	32050
1870	32180
1871	32330
1872	32470
1873	32600
1874	32760
1875	32920
1876	33080
1877	33240
1878	33410
1879	33590
1880	33770
1881	33950
1882	34130
1883	34310
1884	34490
1885	34680
1886	34860
1887	35040
1888	35230
1889	35420
1890	35610
1891	35800
1892	35990
1893	36180
1894	36380
1895	36570
1896	36760
1897	36940
1898	37130
1899	37310
1900	37480
1901	37650
1902	37810
1903	37960
1904	38120
1905	38260
1906	38400
1907	38540
1908	38670
1909	38790
1910	38910
1911	39030
1912	39140
1913	39380
1914	39760
1915	40260
1916	40770
1917	41290
1918	41810
1919	42340
1920	42880
1921	43420
1922	43970
1923	44530
1924	45090
1925	45660
1926	46360
1927	47010
1928	47670
1929	48340
1930	49380
1931	50420
1932	51450
1933	52480
1934	53500
1935	54520
1936	53690
1937	52830
1938	51940
1939	51030
1940	50090
1941	50710
1942	51330
1943	51930
1944	52530
1945	53110
1946	53690
1947	54260
1948	54820
1949	55370
1950	55910
1951	53610
1952	51940
1953	52200
1954	51160
1955	49310
1956	46950
1957	44180
1958	41330
1959	38840
1960	36980
1961	35610
1962	34880
1963	34510
1964	34170
1965	33600
1966	32820
1967	31840
1968	30740
1969	29750
1970	28950
1971	28420
1972	27940
1973	27570
1974	27150
1975	26660
1976	26130
1977	25510
1978	24820
1979	24120
1980	23460
1981	22810
1982	22140
1983	21520
1984	20850
1985	20150
1986	19460
1987	18740
1988	18000
1989	17270
1990	16550
1991	15740
1992	14940
1993	14200
1994	13580
1995	13140
1996	12880
1997	12790
1998	12730
1999	12510
2000	12160
2001	11540
2002	10820
2003	10030
2004	9359
2005	8947
2006	8707
2007	8691
2008	8638
2009	8504
2010	8078
2011	7832
2012	7999
2013	7188
2014	6333
2015	5515
