Year	Number of
1800	6400
1801	6397
1802	6395
1803	6392
1804	6390
1805	6387
1806	6385
1807	6382
1808	6380
1809	6377
1810	6375
1811	6375
1812	6378
1813	6384
1814	6392
1815	6404
1816	6417
1817	6434
1818	6454
1819	6476
1820	6502
1821	6530
1822	6561
1823	6595
1824	6632
1825	6672
1826	6715
1827	6761
1828	6810
1829	6863
1830	6918
1831	6977
1832	7035
1833	7095
1834	7155
1835	7215
1836	7276
1837	7338
1838	7400
1839	7462
1840	7525
1841	7589
1842	7653
1843	7718
1844	7783
1845	7848
1846	7915
1847	7982
1848	8049
1849	8117
1850	8186
1851	8205
1852	8225
1853	8245
1854	8264
1855	8282
1856	8301
1857	8319
1858	8337
1859	8368
1860	8385
1861	8402
1862	8419
1863	8873
1864	9319
1865	9414
1866	9510
1867	9593
1868	9690
1869	9789
1870	9873
1871	9883
1872	9877
1873	9883
1874	9875
1875	9882
1876	9873
1877	9877
1878	9866
1879	9870
1880	9857
1881	9941
1882	10010
1883	10100
1884	10160
1885	10250
1886	10320
1887	10410
1888	10480
1889	10580
1890	10650
1891	10790
1892	10940
1893	11070
1894	11220
1895	11380
1896	11530
1897	11690
1898	11850
1899	11990
1900	12150
1901	11880
1902	11630
1903	11360
1904	11090
1905	10840
1906	10920
1907	11020
1908	11100
1909	11200
1910	11300
1911	11250
1912	11190
1913	11140
1914	11080
1915	11020
1916	10990
1917	10930
1918	10880
1919	10820
1920	10760
1921	10700
1922	10660
1923	10610
1924	10550
1925	10490
1926	10430
1927	10380
1928	10340
1929	10280
1930	10410
1931	10530
1932	10460
1933	10380
1934	10290
1935	10210
1936	10120
1937	10030
1938	9936
1939	9840
1940	9742
1941	9642
1942	9541
1943	9437
1944	9333
1945	9227
1946	9120
1947	9012
1948	8903
1949	8794
1950	8684
1951	8680
1952	8611
1953	8546
1954	8483
1955	8423
1956	8369
1957	8320
1958	8281
1959	8256
1960	8250
1961	7870
1962	7533
1963	7232
1964	6958
1965	6697
1966	6434
1967	6160
1968	5872
1969	5572
1970	5268
1971	4833
1972	4433
1973	4074
1974	3756
1975	3475
1976	3229
1977	3011
1978	2812
1979	2628
1980	2512
1981	2354
1982	2300
1983	2202
1984	2082
1985	1992
1986	1920
1987	1805
1988	1615
1989	1407
1990	1257
1991	1177
1992	1110
1993	1019
1994	899
1995	782
1996	669
1997	576
1998	509
1999	455
2000	417
2001	389
2002	369
2003	361
2004	355
2005	343
2006	323
2007	295
2008	267
2009	242
2010	215
2011	188
2012	167
2013	154
2014	145
2015	135