Year	Number of
1800	15360
1801	15320
1802	15280
1803	15230
1804	15190
1805	15150
1806	15100
1807	15060
1808	15020
1809	14980
1810	14930
1811	14900
1812	14870
1813	14840
1814	14830
1815	14820
1816	14810
1817	14820
1818	14830
1819	14840
1820	14860
1821	14890
1822	14930
1823	14970
1824	15020
1825	15080
1826	15140
1827	15210
1828	15280
1829	15360
1830	15450
1831	15550
1832	15640
1833	15740
1834	15840
1835	15930
1836	16030
1837	16130
1838	16220
1839	16320
1840	16420
1841	16520
1842	16620
1843	16720
1844	16820
1845	16920
1846	17020
1847	17130
1848	17230
1849	17330
1850	17440
1851	17540
1852	17640
1853	17750
1854	17860
1855	17960
1856	18070
1857	18180
1858	18280
1859	18390
1860	18500
1861	18610
1862	18720
1863	18830
1864	18940
1865	19050
1866	19160
1867	19270
1868	19380
1869	19490
1870	19600
1871	19480
1872	19300
1873	19170
1874	19050
1875	18920
1876	18740
1877	18610
1878	18490
1879	18360
1880	18180
1881	18050
1882	17930
1883	17800
1884	17620
1885	17490
1886	17360
1887	17180
1888	17050
1889	16920
1890	16800
1891	16610
1892	16490
1893	16360
1894	16230
1895	16040
1896	15910
1897	15770
1898	15640
1899	15440
1900	15300
1901	15150
1902	15060
1903	14900
1904	14800
1905	14650
1906	14540
1907	14380
1908	14270
1909	14100
1910	13990
1911	13820
1912	13700
1913	13530
1914	13420
1915	13240
1916	13130
1917	12960
1918	12840
1919	12670
1920	12550
1921	12380
1922	12260
1923	12090
1924	11970
1925	11800
1926	11590
1927	11370
1928	11110
1929	10890
1930	10580
1931	10290
1932	9948
1933	9660
1934	9378
1935	9101
1936	8828
1937	8518
1938	8256
1939	7999
1940	7747
1941	7459
1942	7217
1943	6979
1944	6746
1945	6517
1946	6257
1947	6037
1948	5824
1949	5613
1950	5352
1951	5206
1952	5131
1953	5029
1954	4903
1955	4758
1956	4594
1957	4417
1958	4229
1959	4033
1960	2909
1961	2687
1962	2650
1963	2508
1964	2119
1965	1812
1966	1683
1967	1641
1968	1557
1969	1424
1970	1307
1971	1247
1972	1248
1973	1292
1974	1347
1975	1384
1976	1382
1977	1331
1978	1252
1979	1179
1980	1131
1981	1110
1982	1120
1983	1139
1984	1148
1985	1127
1986	1071
1987	1009
1988	958
1989	938
1990	954
1991	1006
1992	1048
1993	1002
1994	872
1995	724
1996	614
1997	538
1998	488
1999	449
2000	419
2001	386
2002	358
2003	332
2004	314
2005	299
2006	287
2007	269
2008	252
2009	234
2010	215
2011	198
2012	182
2013	172
2014	167
2015	164