Year	Number of
1800	1546
1801	1546
1802	1543
1803	1543
1804	1543
1805	1543
1806	1540
1807	1540
1808	1540
1809	1540
1810	1537
1811	1538
1812	1539
1813	1540
1814	1540
1815	1542
1816	1545
1817	1545
1818	1549
1819	1553
1820	1558
1821	1561
1822	1567
1823	1573
1824	1580
1825	1585
1826	1592
1827	1601
1828	1610
1829	1617
1830	1627
1831	1634
1832	1645
1833	1652
1834	1660
1835	1671
1836	1679
1837	1686
1838	1698
1839	1705
1840	1716
1841	1724
1842	1732
1843	1744
1844	1752
1845	1760
1846	1771
1847	1779
1848	1787
1849	1799
1850	1884
1851	1950
1852	1811
1853	1784
1854	1849
1855	1748
1856	1855
1857	1868
1858	1952
1859	2082
1860	1994
1861	1977
1862	1938
1863	2044
1864	2002
1865	1982
1866	1946
1867	1987
1868	1972
1869	2019
1870	2079
1871	2008
1872	2033
1873	2087
1874	2143
1875	2016
1876	2257
1877	2204
1878	2140
1879	2213
1880	2101
1881	2092
1882	2018
1883	1925
1884	2044
1885	1876
1886	1909
1887	1831
1888	1763
1889	1746
1890	1676
1891	1729
1892	1631
1893	1676
1894	1612
1895	1610
1896	1582
1897	1616
1898	1562
1899	1614
1900	1581
1901	1628
1902	1615
1903	1685
1904	1816
1905	1714
1906	1640
1907	1490
1908	1644
1909	1560
1910	1442
1911	1587
1912	1385
1913	1265
1914	1218
1915	1101
1916	1160
1917	1250
1918	1535
1919	1393
1920	920
1921	843
1922	871
1923	883
1924	789
1925	859
1926	928
1927	837
1928	866
1929	993
1930	810
1931	768
1932	793
1933	721
1934	654
1935	673
1936	592
1937	587
1938	643
1939	594
1940	537
1941	590
1942	637
1943	763
1944	992
1945	917
1946	501
1947	451
1948	407
1949	393
1950	377
1951	350
1952	330
1953	310
1954	291
1955	273
1956	256
1957	240
1958	224
1959	209
1960	194
1961	169
1962	189
1963	176
1964	152
1965	146
1966	138
1967	130
1968	121
1969	112
1970	103
1971	93
1972	84
1973	76
1974	69
1975	64
1976	61
1977	60
1978	59
1979	59
1980	58
1981	56
1982	55
1983	52
1984	50
1985	48
1986	46
1987	45
1988	44
1989	43
1990	42
1991	41
1992	40
1993	39
1994	38
1995	36
1996	34
1997	32
1998	31
1999	29
2000	26
2001	25
2002	23
2003	22
2004	20
2005	19
2006	18
2007	16
2008	15
2009	15
2010	14
2011	14
2012	13
2013	13
2014	13
2015	13