Year Number of
1800 33050
1801 33050
1802 33050
1803 33050
1804 33050
1805 33050
1806 33050
1807 33050
1808 33050
1809 33050
1810 33050
1811 33060
1812 33090
1813 33140
1814 33190
1815 33260
1816 33350
1817 33450
1818 33560
1819 33690
1820 33840
1821 34000
1822 34170
1823 34360
1824 34570
1825 34790
1826 35030
1827 35280
1828 35550
1829 35840
1830 36140
1831 36460
1832 36780
1833 37100
1834 37430
1835 37760
1836 38100
1837 38430
1838 38770
1839 39110
1840 39460
1841 39810
1842 40160
1843 40510
1844 40870
1845 41230
1846 41600
1847 41960
1848 42330
1849 42710
1850 43080
1851 43200
1852 43300
1853 43410
1854 43520
1855 43620
1856 43730
1857 43830
1858 43930
1859 44100
1860 44200
1861 44300
1862 47090
1863 49850
1864 52660
1865 53180
1866 53710
1867 54240
1868 54780
1869 55320
1870 55870
1871 55850
1872 55820
1873 55770
1874 55730
1875 55690
1876 55640
1877 55570
1878 55510
1879 52680
1880 49980
1881 47850
1882 45810
1883 43860
1884 41990
1885 40200
1886 38490
1887 36850
1888 35280
1889 39910
1890 37320
1891 44050
1892 52420
1893 47420
1894 44840
1895 44020
1896 47220
1897 47870
1898 46790
1899 44590
1900 44540
1901 42190
1902 43460
1903 42740
1904 36910
1905 44760
1906 39450
1907 41440
1908 45690
1909 53300
1910 40960
1911 37940
1912 37210
1913 36480
1914 35710
1915 35010
1916 34260
1917 33590
1918 32930
1919 32220
1920 31580
1921 30960
1922 30280
1923 29680
1924 29080
1925 28450
1926 27870
1927 27310
1928 26700
1929 26160
1930 25820
1931 25470
1932 25140
1933 24800
1934 24470
1935 24140
1936 23810
1937 23490
1938 23170
1939 22850
1940 22540
1941 22230
1942 21920
1943 21610
1944 21200
1945 20800
1946 20410
1947 20020
1948 19630
1949 19260
1950 18880
1951 17960
1952 16680
1953 15550
1954 14540
1955 13650
1956 12870
1957 12190
1958 11600
1959 11100
1960 10660
1961 10270
1962 9933
1963 9624
1964 9341
1965 9079
1966 8842
1967 8628
1968 8439
1969 8269
1970 8117
1971 7978
1972 7849
1973 7722
1974 7595
1975 7458
1976 7307
1977 7143
1978 6964
1979 6770
1980 6970
1981 6666
1982 6315
1983 5918
1984 6246
1985 5987
1986 5764
1987 5491
1988 5134
1989 4699
1990 4225
1991 3764
1992 3407
1993 3137
1994 2859
1995 2511
1996 2205
1997 1962
1998 1787
1999 1689
2000 1607
2001 1510
2002 1371
2003 1184
2004 1014
2005 897
2006 815
2007 765
2008 744
2009 720
2010 697
2011 668
2012 651
2013 635
2014 628
2015 619