Year Number of 1800 8360 1801 8360 1802 8360 1803 8360 1804 8360 1805 8360 1806 8360 1807 8360 1808 8360 1809 8360 1810 8360 1811 8364 1812 8371 1813 8382 1814 8396 1815 8414 1816 8435 1817 8461 1818 8490 1819 8522 1820 8559 1821 8599 1822 8643 1823 8691 1824 8743 1825 8799 1826 8859 1827 8923 1828 8992 1829 9064 1830 9140 1831 9221 1832 9302 1833 9384 1834 9466 1835 9550 1836 9634 1837 9719 1838 9805 1839 9891 1840 9978 1841 10070 1842 10160 1843 10240 1844 10340 1845 10430 1846 10520 1847 10610 1848 10700 1849 10800 1850 10890 1851 10990 1852 11080 1853 11180 1854 11280 1855 11380 1856 11480 1857 11580 1858 11680 1859 11780 1860 11880 1861 11990 1862 12090 1863 12200 1864 12310 1865 12410 1866 12520 1867 12630 1868 12740 1869 12850 1870 12970 1871 13080 1872 13190 1873 13310 1874 13420 1875 13540 1876 13660 1877 13780 1878 13900 1879 14020 1880 14140 1881 14260 1882 14380 1883 14510 1884 14640 1885 14760 1886 14890 1887 15020 1888 15150 1889 15280 1890 15420 1891 15550 1892 15690 1893 15820 1894 15960 1895 16100 1896 16240 1897 16380 1898 16520 1899 16650 1900 16780 1901 16920 1902 17040 1903 17170 1904 17300 1905 17420 1906 17550 1907 17670 1908 17790 1909 17900 1910 18020 1911 18140 1912 18250 1913 18370 1914 18480 1915 18600 1916 18720 1917 18840 1918 18960 1919 19080 1920 19200 1921 19320 1922 19440 1923 19570 1924 19690 1925 19820 1926 19940 1927 20070 1928 20190 1929 20320 1930 20570 1931 20830 1932 21080 1933 21320 1934 21570 1935 21820 1936 22060 1937 22300 1938 22540 1939 22780 1940 23020 1941 22900 1942 22770 1943 22640 1944 22510 1945 22370 1946 22080 1947 21970 1948 21870 1949 21750 1950 20030 1951 20280 1952 20190 1953 19940 1954 19670 1955 19500 1956 19400 1957 19350 1958 19310 1959 19290 1960 19230 1961 19100 1962 18900 1963 18740 1964 18800 1965 19200 1966 19560 1967 20080 1968 20680 1969 21180 1970 21470 1971 21840 1972 21990 1973 22010 1974 21960 1975 21890 1976 21810 1977 21670 1978 21540 1979 21460 1980 21550 1981 21620 1982 21750 1983 21910 1984 22100 1985 22240 1986 22440 1987 22580 1988 22680 1989 22740 1990 22720 1991 22770 1992 22720 1993 22610 1994 22480 1995 22410 1996 22300 1997 22220 1998 22170 1999 22130 2000 22120 2001 22120 2002 22120 2003 22100 2004 22080 2005 22030 2006 21960 2007 21830 2008 21650 2009 21410 2010 21160 2011 20880 2012 20570 2013 20210 2014 19850 2015 19510