Year Number of
1800 92230
1801 92230
1802 92230
1803 92230
1804 92230
1805 92230
1806 92230
1807 92230
1808 92230
1809 92230
1810 92230
1811 92240
1812 92240
1813 92250
1814 92270
1815 92280
1816 92300
1817 92330
1818 92350
1819 92380
1820 92420
1821 92450
1822 92490
1823 92540
1824 92580
1825 92630
1826 92680
1827 92740
1828 92800
1829 92860
1830 92930
1831 93000
1832 93070
1833 93140
1834 93210
1835 93280
1836 93350
1837 93420
1838 93490
1839 93560
1840 93630
1841 93700
1842 93770
1843 93840
1844 93910
1845 93980
1846 94050
1847 94120
1848 94190
1849 94260
1850 94330
1851 94540
1852 94750
1853 94960
1854 95170
1855 95380
1856 95580
1857 95790
1858 96000
1859 96210
1860 96420
1861 96640
1862 96860
1863 97090
1864 97320
1865 97560
1866 97800
1867 98060
1868 98310
1869 98580
1870 98840
1871 99120
1872 99400
1873 99660
1874 99950
1875 100300
1876 100600
1877 100900
1878 101200
1879 101500
1880 101900
1881 102200
1882 102500
1883 102900
1884 103200
1885 103600
1886 103900
1887 104200
1888 104600
1889 104900
1890 105300
1891 105600
1892 106000
1893 106300
1894 106700
1895 107000
1896 107300
1897 107700
1898 108000
1899 108300
1900 108500
1901 108800
1902 109000
1903 109400
1904 111300
1905 113100
1906 115000
1907 117100
1908 119000
1909 118000
1910 117100
1911 116200
1912 115400
1913 115200
1914 115200
1915 115800
1916 116700
1917 117300
1918 117700
1919 117900
1920 118000
1921 118200
1922 118300
1923 118400
1924 116400
1925 114200
1926 112200
1927 110400
1928 108400
1929 108300
1930 102700
1931 97090
1932 91960
1933 86710
1934 81120
1935 75530
1936 70440
1937 65590
1938 60740
1939 57160
1940 53900
1941 50660
1942 47510
1943 48730
1944 49780
1945 50640
1946 51300
1947 51750
1948 51980
1949 51990
1950 51760
1951 60430
1952 77320
1953 86170
1954 88930
1955 87220
1956 82420
1957 75670
1958 67940
1959 60120
1960 52860
1961 50010
1962 47630
1963 46150
1964 45390
1965 45110
1966 44840
1967 44470
1968 43430
1969 41460
1970 38820
1971 36490
1972 33570
1973 30310
1974 26930
1975 23690
1976 20870
1977 18610
1978 16960
1979 15830
1980 15120
1981 15000
1982 14900
1983 14680
1984 14370
1985 17460
1986 17390
1987 16660
1988 15720
1989 15210
1990 15780
1991 17630
1992 20960
1993 25390
1994 30000
1995 33400
1996 35000
1997 34250
1998 31620
1999 27910
2000 23970
2001 20310
2002 17290
2003 15040
2004 13500
2005 12610
2006 12180
2007 11890
2008 11470
2009 11040
2010 10610
2011 10240
2012 9966
2013 9798
2014 9577
2015 9271