Year Number of
1800 66390
1801 66390
1802 66390
1803 66390
1804 66390
1805 66390
1806 66390
1807 66390
1808 66390
1809 66390
1810 66390
1811 66400
1812 66410
1813 66420
1814 66450
1815 66480
1816 66510
1817 66550
1818 66600
1819 66650
1820 66710
1821 66770
1822 66840
1823 66920
1824 67000
1825 67090
1826 67180
1827 67280
1828 67380
1829 67500
1830 67610
1831 67740
1832 67860
1833 67980
1834 68110
1835 68230
1836 68350
1837 68480
1838 68600
1839 68730
1840 68850
1841 68980
1842 69100
1843 69230
1844 69360
1845 69480
1846 69610
1847 69740
1848 69860
1849 69990
1850 70120
1851 70260
1852 70410
1853 70560
1854 70700
1855 70850
1856 71000
1857 71150
1858 71290
1859 71440
1860 71590
1861 71740
1862 71900
1863 72070
1864 72240
1865 72420
1866 72600
1867 72790
1868 72990
1869 73190
1870 73400
1871 73610
1872 73830
1873 74030
1874 74260
1875 74500
1876 74750
1877 74990
1878 75260
1879 75530
1880 75800
1881 76080
1882 76360
1883 76630
1884 76910
1885 77190
1886 77470
1887 77750
1888 78040
1889 78320
1890 78600
1891 78890
1892 79180
1893 79470
1894 79750
1895 80040
1896 80320
1897 80590
1898 80850
1899 81100
1900 81340
1901 81560
1902 81770
1903 81980
1904 82160
1905 82340
1906 82500
1907 82650
1908 82790
1909 82910
1910 83030
1911 83140
1912 83240
1913 83460
1914 83780
1915 84220
1916 84660
1917 85110
1918 85620
1919 86130
1920 86650
1921 87180
1922 87710
1923 88230
1924 88770
1925 89300
1926 90080
1927 90740
1928 91530
1929 92200
1930 92920
1931 93650
1932 94370
1933 95090
1934 95800
1935 96520
1936 97220
1937 97930
1938 98630
1939 99340
1940 100000
1941 100700
1942 101400
1943 102100
1944 102800
1945 103500
1946 104100
1947 104800
1948 105500
1949 106200
1950 106800
1951 105900
1952 109900
1953 109200
1954 108600
1955 108200
1956 107900
1957 107800
1958 108200
1959 108800
1960 109500
1961 110200
1962 111000
1963 106900
1964 105600
1965 104900
1966 105200
1967 105500
1968 105800
1969 105100
1970 103700
1971 101700
1972 98820
1973 95960
1974 93640
1975 92400
1976 90980
1977 90130
1978 89490
1979 88620
1980 87160
1981 85140
1982 82660
1983 80100
1984 77900
1985 76260
1986 75110
1987 74320
1988 73940
1989 74100
1990 74900
1991 75600
1992 76670
1993 77710
1994 78130
1995 77470
1996 76170
1997 73500
1998 69710
1999 65900
2000 62570
2001 59890
2002 57940
2003 56550
2004 55120
2005 53520
2006 51590
2007 49520
2008 47260
2009 45080
2010 42830
2011 40770
2012 38900
2013 37220
2014 35660
2015 34350