Year Number of
1800 91730
1801 91730
1802 91730
1803 91730
1804 91730
1805 91730
1806 91730
1807 91730
1808 91730
1809 91730
1810 91730
1811 91770
1812 91850
1813 91980
1814 92150
1815 92360
1816 92620
1817 92920
1818 93260
1819 93650
1820 94080
1821 94560
1822 95090
1823 95660
1824 96280
1825 96950
1826 97670
1827 98430
1828 99250
1829 100100
1830 101000
1831 102000
1832 103000
1833 103900
1834 104900
1835 105900
1836 106900
1837 108000
1838 109000
1839 110000
1840 111100
1841 112100
1842 113200
1843 114300
1844 115400
1845 116500
1846 117600
1847 118700
1848 119800
1849 121000
1850 122100
1851 123100
1852 124000
1853 125000
1854 125900
1855 126900
1856 127800
1857 128800
1858 129800
1859 130800
1860 131800
1861 132800
1862 133900
1863 135000
1864 136200
1865 137400
1866 138600
1867 139900
1868 141200
1869 142600
1870 144000
1871 145500
1872 147000
1873 148300
1874 149900
1875 151600
1876 153300
1877 154900
1878 156800
1879 158700
1880 160600
1881 162500
1882 164500
1883 166500
1884 168500
1885 170500
1886 172600
1887 174600
1888 176800
1889 178900
1890 181100
1891 183300
1892 185600
1893 187800
1894 190100
1895 192400
1896 194700
1897 197000
1898 199300
1899 201600
1900 204000
1901 204700
1902 205300
1903 205600
1904 206200
1905 206700
1906 207200
1907 207600
1908 207600
1909 208000
1910 208300
1911 208600
1912 208900
1913 215000
1914 216500
1915 231800
1916 233100
1917 248700
1918 250800
1919 231100
1920 225600
1921 234700
1922 258700
1923 249600
1924 266600
1925 266500
1926 266400
1927 267800
1928 266900
1929 275300
1930 277900
1931 278700
1932 280300
1933 281000
1934 281700
1935 283100
1936 283700
1937 274500
1938 264600
1939 255600
1940 245900
1941 237100
1942 227600
1943 219000
1944 209700
1945 201200
1946 192100
1947 183800
1948 174900
1949 166800
1950 161000
1951 159300
1952 162500
1953 164300
1954 164900
1955 164400
1956 163000
1957 160800
1958 157900
1959 154400
1960 151800
1961 148800
1962 145600
1963 142200
1964 133700
1965 133700
1966 133500
1967 133000
1968 132500
1969 132000
1970 131500
1971 131600
1972 131600
1973 131600
1974 130900
1975 129500
1976 127600
1977 124600
1978 121300
1979 118400
1980 116300
1981 114600
1982 114000
1983 113700
1984 113300
1985 112300
1986 110700
1987 108400
1988 105500
1989 102100
1990 98620
1991 95250
1992 91840
1993 87890
1994 83220
1995 77190
1996 70030
1997 62090
1998 54080
1999 47490
2000 43090
2001 40530
2002 40270
2003 41270
2004 42260
2005 42640
2006 42520
2007 41660
2008 40480
2009 39240
2010 38200
2011 37480
2012 36640
2013 35940
2014 35140
2015 34190