Year	Number of
1800	7897
1801	7892
1802	7888
1803	7884
1804	7880
1805	7876
1806	7872
1807	7868
1808	7864
1809	7859
1810	7855
1811	7855
1812	7858
1813	7864
1814	7874
1815	7887
1816	7904
1817	7924
1818	7949
1819	7977
1820	8009
1821	8044
1822	8083
1823	8126
1824	8172
1825	8223
1826	8277
1827	8336
1828	8398
1829	8464
1830	8534
1831	8608
1832	8683
1833	8758
1834	8835
1835	8912
1836	8989
1837	9067
1838	9146
1839	9226
1840	9306
1841	9387
1842	9468
1843	9551
1844	9634
1845	9717
1846	9802
1847	9887
1848	9973
1849	10060
1850	10150
1851	10240
1852	10320
1853	10410
1854	10500
1855	10590
1856	10690
1857	10780
1858	10870
1859	10970
1860	11060
1861	11160
1862	11250
1863	11350
1864	11450
1865	11550
1866	11650
1867	11750
1868	11850
1869	11960
1870	12060
1871	12160
1872	12270
1873	12370
1874	12480
1875	12590
1876	12700
1877	12800
1878	12910
1879	13030
1880	13140
1881	13250
1882	13360
1883	13480
1884	13600
1885	13710
1886	13830
1887	13950
1888	14070
1889	14190
1890	14320
1891	14440
1892	14560
1893	14690
1894	14820
1895	14950
1896	15080
1897	15210
1898	15340
1899	15470
1900	15600
1901	15510
1902	15420
1903	15330
1904	15240
1905	15150
1906	15060
1907	14970
1908	14880
1909	14790
1910	14700
1911	14620
1912	14530
1913	14440
1914	14360
1915	14270
1916	14190
1917	14110
1918	14020
1919	13940
1920	13860
1921	13780
1922	13700
1923	13620
1924	13540
1925	13460
1926	13380
1927	13300
1928	13220
1929	13140
1930	13170
1931	13200
1932	13120
1933	13040
1934	12960
1935	12880
1936	12790
1937	12700
1938	12610
1939	12520
1940	12420
1941	12330
1942	12230
1943	12130
1944	12030
1945	11930
1946	11820
1947	11720
1948	11610
1949	11510
1950	11400
1951	11210
1952	10880
1953	10680
1954	10570
1955	10490
1956	10520
1957	10600
1958	10700
1959	10810
1960	10850
1961	10870
1962	10820
1963	10620
1964	10390
1965	10100
1966	9793
1967	9498
1968	9703
1969	9959
1970	10260
1971	10600
1972	10960
1973	11300
1974	11640
1975	11990
1976	12350
1977	13570
1978	13110
1979	12710
1980	12390
1981	12200
1982	12060
1983	11980
1984	11930
1985	11890
1986	11880
1987	11880
1988	11910
1989	11940
1990	11960
1991	11930
1992	11900
1993	11780
1994	11490
1995	11050
1996	10430
1997	9622
1998	8771
1999	8084
2000	7679
2001	7582
2002	7796
2003	8141
2004	8370
2005	8359
2006	8102
2007	7631
2008	7042
2009	6519
2010	6178
2011	5984
2012	5943
2013	5954
2014	5960
2015	5868
