Year Number of
1800 11750
1801 11750
1802 11770
1803 11770
1804 11770
1805 11790
1806 11790
1807 11790
1808 11810
1809 11810
1810 11810
1811 11840
1812 11860
1813 11920
1814 11960
1815 12020
1816 12120
1817 12200
1818 12300
1819 12440
1820 12560
1821 12730
1822 12880
1823 13060
1824 13260
1825 13470
1826 13690
1827 13940
1828 14200
1829 14490
1830 14780
1831 15080
1832 15420
1833 15730
1834 16060
1835 16410
1836 16750
1837 17100
1838 17480
1839 17840
1840 18230
1841 18600
1842 18960
1843 19350
1844 19710
1845 20070
1846 20450
1847 20800
1848 21180
1849 21520
1850 21860
1851 22250
1852 22610
1853 22960
1854 23350
1855 23690
1856 24070
1857 24410
1858 24740
1859 25100
1860 25420
1861 25740
1862 26110
1863 26440
1864 26790
1865 27190
1866 27570
1867 28000
1868 28410
1869 28830
1870 29320
1871 29770
1872 30240
1873 30710
1874 31210
1875 31780
1876 32310
1877 32810
1878 33420
1879 33970
1880 34530
1881 35180
1882 35750
1883 36310
1884 36970
1885 37520
1886 38130
1887 41410
1888 42190
1889 42960
1890 43740
1891 44540
1892 45370
1893 45530
1894 45690
1895 45840
1896 46000
1897 46140
1898 46510
1899 46890
1900 47230
1901 47530
1902 47860
1903 48810
1904 49740
1905 50640
1906 51520
1907 52380
1908 52930
1909 53530
1910 54140
1911 54770
1912 55370
1913 54950
1914 54500
1915 54000
1916 53430
1917 52820
1918 52890
1919 53000
1920 53120
1921 50810
1922 48620
1923 47060
1924 45640
1925 44320
1926 43060
1927 41820
1928 39650
1929 37620
1930 37150
1931 40210
1932 42460
1933 44790
1934 45070
1935 39570
1936 39740
1937 41290
1938 43970
1939 42550
1940 39790
1941 40460
1942 39030
1943 37480
1944 41880
1945 34950
1946 37120
1947 37060
1948 36970
1949 34510
1950 28310
1951 29400
1952 28820
1953 28590
1954 28480
1955 28360
1956 28340
1957 28230
1958 28130
1959 28140
1960 28340
1961 28730
1962 29260
1963 29760
1964 30080
1965 30080
1966 29760
1967 29090
1968 28130
1969 27060
1970 26110
1971 25130
1972 24380
1973 23690
1974 23250
1975 22950
1976 22810
1977 22810
1978 22780
1979 22610
1980 22220
1981 21650
1982 20860
1983 20120
1984 19470
1985 19000
1986 18680
1987 18470
1988 18190
1989 17840
1990 17360
1991 16790
1992 16180
1993 15670
1994 15180
1995 14780
1996 14310
1997 13820
1998 13370
1999 15940
2000 12580
2001 12260
2002 11980
2003 11680
2004 11360
2005 10980
2006 10650
2007 10370
2008 10200
2009 10020
2010 9909
2011 9809
2012 9648
2013 9424
2014 9191
2015 8946