Year	Number of
1800	4790
1801	4790
1802	4790
1803	4790
1804	4790
1805	4790
1806	4790
1807	4790
1808	4790
1809	4790
1810	4790
1811	4795
1812	4805
1813	4819
1814	4839
1815	4863
1816	4893
1817	4928
1818	4968
1819	5015
1820	5066
1821	5124
1822	5187
1823	5257
1824	5332
1825	5414
1826	5503
1827	5597
1828	5699
1829	5807
1830	5922
1831	6045
1832	6169
1833	6297
1834	6427
1835	6560
1836	6695
1837	6834
1838	6975
1839	7119
1840	7266
1841	7416
1842	7569
1843	7726
1844	7886
1845	8049
1846	8216
1847	8386
1848	8559
1849	8737
1850	8918
1851	9102
1852	9290
1853	9482
1854	9678
1855	9878
1856	10080
1857	10290
1858	10500
1859	10720
1860	10940
1861	11180
1862	11430
1863	11690
1864	11970
1865	12270
1866	12580
1867	12910
1868	13260
1869	13620
1870	14010
1871	14420
1872	14850
1873	15200
1874	15680
1875	16180
1876	16700
1877	17170
1878	17760
1879	18380
1880	19010
1881	19610
1882	20290
1883	21000
1884	21660
1885	22420
1886	23190
1887	23940
1888	24770
1889	25630
1890	26520
1891	27440
1892	28400
1893	29380
1894	30400
1895	31460
1896	32510
1897	33560
1898	34620
1899	35670
1900	36720
1901	37760
1902	38820
1903	39850
1904	40880
1905	41890
1906	42920
1907	43910
1908	45010
1909	46100
1910	47150
1911	48200
1912	49120
1913	49950
1914	50800
1915	51680
1916	52590
1917	53500
1918	54450
1919	55420
1920	56420
1921	57000
1922	57600
1923	58230
1924	58870
1925	59410
1926	60070
1927	60730
1928	61390
1929	62060
1930	64100
1931	63940
1932	63490
1933	63140
1934	62520
1935	62020
1936	61230
1937	60560
1938	59620
1939	58810
1940	57930
1941	56790
1942	55780
1943	54510
1944	53380
1945	52000
1946	50760
1947	48950
1948	47180
1949	45450
1950	43770
1951	41860
1952	40580
1953	39330
1954	38110
1955	36920
1956	34460
1957	33230
1958	32040
1959	30990
1960	30180
1961	29520
1962	29030
1963	28530
1964	27790
1965	26640
1966	25130
1967	23350
1968	21500
1969	19900
1970	18720
1971	17950
1972	17600
1973	17360
1974	17000
1975	16380
1976	15470
1977	14400
1978	13330
1979	12410
1980	11740
1981	11370
1982	11150
1983	10970
1984	10760
1985	10470
1986	10010
1987	9541
1988	9012
1989	8591
1990	8267
1991	8006
1992	7823
1993	7643
1994	7542
1995	7345
1996	7199
1997	6964
1998	6633
1999	6155
2000	5648
2001	5125
2002	4753
2003	4425
2004	4198
2005	4023
2006	3842
2007	3651
2008	3531
2009	3466
2010	3484
2011	3539
2012	3631
2013	3752
2014	3787
2015	3793
