Year Number of
1800 91070
1801 91070
1802 91070
1803 91070
1804 91070
1805 91070
1806 91070
1807 91070
1808 91070
1809 91070
1810 91070
1811 91100
1812 91160
1813 91240
1814 91360
1815 91500
1816 91680
1817 91880
1818 92120
1819 92390
1820 92680
1821 93010
1822 93370
1823 93760
1824 94180
1825 94630
1826 95110
1827 95620
1828 96170
1829 96750
1830 97360
1831 98010
1832 98660
1833 99310
1834 99970
1835 100600
1836 101300
1837 102000
1838 102600
1839 103300
1840 104000
1841 104700
1842 105400
1843 106100
1844 106800
1845 107500
1846 108200
1847 108900
1848 109700
1849 110400
1850 111100
1851 111800
1852 112600
1853 113300
1854 114100
1855 114800
1856 115600
1857 116300
1858 117100
1859 117800
1860 118600
1861 119400
1862 120200
1863 121000
1864 121700
1865 122500
1866 123300
1867 124200
1868 125000
1869 125800
1870 126600
1871 127400
1872 128300
1873 129100
1874 129900
1875 130800
1876 131700
1877 132500
1878 133400
1879 134200
1880 135100
1881 136000
1882 136900
1883 137800
1884 138700
1885 139600
1886 140500
1887 141400
1888 142300
1889 143300
1890 144200
1891 145100
1892 146100
1893 147000
1894 148000
1895 149000
1896 149900
1897 150900
1898 151800
1899 152700
1900 153600
1901 154500
1902 155300
1903 156100
1904 157000
1905 157700
1906 158500
1907 159200
1908 160000
1909 160700
1910 161400
1911 162000
1912 162700
1913 163400
1914 164100
1915 164800
1916 165400
1917 166100
1918 166800
1919 167500
1920 168200
1921 168900
1922 169600
1923 170300
1924 171000
1925 171700
1926 172400
1927 173100
1928 173900
1929 174600
1930 176200
1931 177800
1932 179400
1933 180900
1934 182500
1935 184000
1936 185500
1937 187000
1938 188500
1939 189900
1940 191300
1941 188600
1942 186500
1943 183700
1944 181000
1945 178200
1946 176000
1947 173200
1948 170400
1949 167500
1950 165300
1951 165400
1952 167400
1953 169500
1954 171900
1955 174400
1956 177100
1957 180000
1958 183000
1959 186200
1960 189600
1961 193600
1962 197800
1963 202100
1964 206500
1965 210900
1966 215400
1967 219800
1968 224300
1969 218600
1970 221400
1971 224600
1972 227100
1973 228900
1974 231100
1975 233200
1976 235500
1977 237900
1978 240200
1979 242600
1980 245400
1981 249000
1982 252600
1983 256400
1984 260700
1985 265900
1986 270700
1987 275200
1988 280000
1989 286000
1990 294200
1991 302500
1992 312200
1993 322000
1994 330300
1995 336400
1996 341400
1997 343200
1998 342600
1999 341800
2000 341800
2001 341800
2002 342100
2003 342400
2004 342400
2005 341000
2006 337800
2007 334000
2008 329800
2009 325100
2010 321500
2011 317800
2012 314300
2013 310400
2014 308100
2015 304600