Year Number of
1800 55380
1801 55580
1802 55780
1803 55980
1804 56180
1805 56380
1806 56580
1807 56780
1808 56990
1809 57190
1810 57410
1811 57630
1812 57850
1813 58090
1814 58330
1815 58590
1816 58850
1817 59130
1818 59420
1819 59710
1820 60020
1821 60340
1822 60670
1823 61010
1824 61370
1825 61730
1826 62110
1827 62490
1828 62890
1829 63300
1830 63720
1831 64160
1832 64600
1833 65040
1834 65480
1835 65920
1836 66370
1837 66820
1838 67280
1839 67740
1840 68200
1841 68660
1842 69130
1843 69600
1844 70080
1845 70560
1846 71040
1847 71520
1848 72010
1849 72500
1850 72990
1851 73500
1852 74010
1853 74530
1854 75050
1855 75570
1856 76100
1857 76630
1858 77160
1859 77700
1860 78240
1861 78790
1862 79360
1863 79930
1864 80520
1865 81120
1866 81740
1867 82360
1868 83000
1869 83650
1870 84310
1871 84990
1872 85680
1873 86330
1874 87050
1875 87780
1876 88530
1877 89260
1878 90050
1879 90850
1880 91660
1881 92460
1882 93280
1883 94120
1884 94940
1885 95790
1886 96640
1887 97490
1888 98360
1889 99240
1890 100100
1891 101000
1892 101900
1893 102800
1894 103700
1895 104700
1896 105600
1897 106500
1898 107400
1899 108300
1900 109200
1901 110100
1902 110900
1903 111800
1904 112600
1905 113500
1906 114300
1907 115100
1908 115900
1909 116700
1910 117400
1911 118200
1912 119000
1913 119900
1914 121000
1915 122300
1916 123600
1917 125000
1918 126300
1919 127600
1920 129000
1921 130300
1922 131700
1923 133100
1924 133300
1925 133900
1926 135100
1927 135800
1928 136700
1929 137500
1930 138800
1931 140000
1932 140800
1933 142000
1934 142700
1935 143400
1936 143600
1937 144200
1938 144700
1939 145200
1940 145700
1941 146200
1942 148000
1943 149800
1944 151600
1945 148300
1946 145100
1947 141900
1948 138700
1949 135600
1950 132500
1951 128900
1952 126300
1953 124100
1954 118500
1955 121500
1956 124000
1957 124400
1958 124100
1959 123900
1960 125500
1961 128200
1962 133000
1963 139300
1964 145600
1965 151300
1966 155900
1967 158500
1968 159800
1969 160500
1970 161000
1971 161100
1972 160600
1973 159600
1974 157700
1975 154800
1976 150800
1977 145600
1978 139100
1979 131400
1980 122100
1981 110400
1982 97220
1983 83670
1984 70860
1985 60270
1986 52370
1987 46760
1988 43020
1989 40480
1990 38690
1991 37340
1992 36180
1993 34880
1994 33370
1995 31630
1996 29730
1997 27660
1998 25770
1999 24230
2000 23110
2001 22270
2002 21740
2003 21520
2004 21580
2005 21840
2006 22340
2007 23030
2008 23740
2009 24340
2010 24680
2011 24900
2012 24980
2013 24920
2014 24680
2015 24270