Year	Number of
1800	13420
1801	13420
1802	13420
1803	13420
1804	13420
1805	13420
1806	13420
1807	13420
1808	13420
1809	13420
1810	13420
1811	13430
1812	13460
1813	13510
1814	13570
1815	13640
1816	13740
1817	13850
1818	13970
1819	14120
1820	14280
1821	14460
1822	14650
1823	14860
1824	15090
1825	15340
1826	15610
1827	15890
1828	16200
1829	16520
1830	16850
1831	17210
1832	17570
1833	17940
1834	18310
1835	18680
1836	19050
1837	19430
1838	19810
1839	20190
1840	20580
1841	21030
1842	21490
1843	21980
1844	22450
1845	22920
1846	23400
1847	23890
1848	24410
1849	24910
1850	25410
1851	25930
1852	28460
1853	27760
1854	27340
1855	28700
1856	29700
1857	29730
1858	28060
1859	28520
1860	33170
1861	28040
1862	29360
1863	29840
1864	31430
1865	27180
1866	29460
1867	30780
1868	32700
1869	33860
1870	34560
1871	34440
1872	37160
1873	38410
1874	38830
1875	37580
1876	36360
1877	35360
1878	33680
1879	38020
1880	36310
1881	44560
1882	41010
1883	42400
1884	40600
1885	26360
1886	33170
1887	34680
1888	37730
1889	41820
1890	41180
1891	38080
1892	44310
1893	45450
1894	49610
1895	47360
1896	47140
1897	49380
1898	48900
1899	51520
1900	60990
1901	71140
1902	63330
1903	62230
1904	67740
1905	59280
1906	78180
1907	71560
1908	77330
1909	77580
1910	66600
1911	84110
1912	73410
1913	73030
1914	65000
1915	64620
1916	61220
1917	68150
1918	65190
1919	78940
1920	68490
1921	73090
1922	63760
1923	75940
1924	72150
1925	70760
1926	69640
1927	63480
1928	60040
1929	63920
1930	67810
1931	68260
1932	70190
1933	78170
1934	80550
1935	78310
1936	79740
1937	77360
1938	76820
1939	74260
1940	72610
1941	67840
1942	67010
1943	67540
1944	63800
1945	65680
1946	57840
1947	58940
1948	53990
1949	57980
1950	55610
1951	54210
1952	53380
1953	52530
1954	51610
1955	50640
1956	49620
1957	48560
1958	47460
1959	46110
1960	42980
1961	40870
1962	39660
1963	38360
1964	36210
1965	33310
1966	30160
1967	27240
1968	24980
1969	23620
1970	22830
1971	22130
1972	21200
1973	19940
1974	18330
1975	16420
1976	14270
1977	12120
1978	10390
1979	9237
1980	8409
1981	7692
1982	6960
1983	6405
1984	6096
1985	6015
1986	6062
1987	6148
1988	6137
1989	5929
1990	5569
1991	5116
1992	4646
1993	4163
1994	3757
1995	3440
1996	3236
1997	3138
1998	3083
1999	2953
2000	2789
2001	2620
2002	2473
2003	2377
2004	2306
2005	2239
2006	2200
2007	2162
2008	2150
2009	2114
2010	2104
2011	2070
2012	2036
2013	1979
2014	1948
2015	1896
