Year Number of 1800 10770 1801 10770 1802 10770 1803 10770 1804 10770 1805 10770 1806 10770 1807 10770 1808 10770 1809 10770 1810 10770 1811 10770 1812 10770 1813 10770 1814 10780 1815 10780 1816 10780 1817 10790 1818 10800 1819 10800 1820 10810 1821 10820 1822 10830 1823 10840 1824 10850 1825 10860 1826 10870 1827 10890 1828 10900 1829 10920 1830 10930 1831 10950 1832 10970 1833 10980 1834 11000 1835 11020 1836 11030 1837 11050 1838 11070 1839 11080 1840 11100 1841 11120 1842 11130 1843 11150 1844 11170 1845 11180 1846 11200 1847 11220 1848 11240 1849 11250 1850 11270 1851 11290 1852 11300 1853 11320 1854 11340 1855 11350 1856 11370 1857 11390 1858 11400 1859 11420 1860 11440 1861 11450 1862 11470 1863 11490 1864 11500 1865 11520 1866 11540 1867 11560 1868 11580 1869 11590 1870 11610 1871 11630 1872 11650 1873 11670 1874 11690 1875 11710 1876 11730 1877 11750 1878 11770 1879 11790 1880 11820 1881 11840 1882 11860 1883 11880 1884 11900 1885 11920 1886 11950 1887 11970 1888 11990 1889 12010 1890 12030 1891 12060 1892 12080 1893 12100 1894 12120 1895 12140 1896 12160 1897 12180 1898 12200 1899 12220 1900 12230 1901 12240 1902 12250 1903 12260 1904 12260 1905 12270 1906 12270 1907 12270 1908 12270 1909 12260 1910 12260 1911 12250 1912 12250 1913 12240 1914 12230 1915 12230 1916 12220 1917 12220 1918 12210 1919 12200 1920 12200 1921 12190 1922 12190 1923 12180 1924 12180 1925 12170 1926 12130 1927 12080 1928 12060 1929 12020 1930 12010 1931 12000 1932 11990 1933 11980 1934 11970 1935 11960 1936 11960 1937 11950 1938 11940 1939 11930 1940 11930 1941 11920 1942 11910 1943 11910 1944 11900 1945 11900 1946 11140 1947 10380 1948 9683 1949 8986 1950 8347 1951 8267 1952 8257 1953 8317 1954 8446 1955 8639 1956 8890 1957 9188 1958 9522 1959 9870 1960 10210 1961 10520 1962 10770 1963 10960 1964 11080 1965 11140 1966 11170 1967 11200 1968 11240 1969 11290 1970 11350 1971 11410 1972 11460 1973 11480 1974 11470 1975 11460 1976 11440 1977 11430 1978 11230 1979 10700 1980 10300 1981 10010 1982 9814 1983 9680 1984 9558 1985 9430 1986 9291 1987 9121 1988 8870 1989 8486 1990 7930 1991 7308 1992 6529 1993 5709 1994 4977 1995 4398 1996 3939 1997 3634 1998 3427 1999 3240 2000 3029 2001 2790 2002 2547 2003 2325 2004 2158 2005 2053 2006 2006 2007 1994 2008 1997 2009 1985 2010 1946 2011 1893 2012 1826 2013 1751 2014 1673 2015 1581