Year Number of
1800 39920
1801 40030
1802 40140
1803 40250
1804 40370
1805 40480
1806 40590
1807 40700
1808 40820
1809 40930
1810 41050
1811 41180
1812 41320
1813 41470
1814 41630
1815 41810
1816 42000
1817 42200
1818 42420
1819 42640
1820 42890
1821 43140
1822 43410
1823 43700
1824 43990
1825 44300
1826 44630
1827 44970
1828 45320
1829 45690
1830 46080
1831 46480
1832 46880
1833 47290
1834 47700
1835 48110
1836 48530
1837 48950
1838 49380
1839 49800
1840 50240
1841 50670
1842 51110
1843 51550
1844 52000
1845 52450
1846 52910
1847 53370
1848 53830
1849 54300
1850 54770
1851 55220
1852 55680
1853 56150
1854 56620
1855 57090
1856 57570
1857 58050
1858 58530
1859 59020
1860 59510
1861 60010
1862 60510
1863 61010
1864 61520
1865 62040
1866 62550
1867 63070
1868 63600
1869 64130
1870 64660
1871 65200
1872 65750
1873 66280
1874 66830
1875 67390
1876 67950
1877 68500
1878 69080
1879 69650
1880 70230
1881 70800
1882 71390
1883 71990
1884 72580
1885 73180
1886 73790
1887 74400
1888 75020
1889 75640
1890 76270
1891 76910
1892 77550
1893 78200
1894 78850
1895 79500
1896 80150
1897 80800
1898 81440
1899 82070
1900 82700
1901 83320
1902 83910
1903 84510
1904 85100
1905 85680
1906 86260
1907 86800
1908 87350
1909 87900
1910 88430
1911 88960
1912 89490
1913 90020
1914 90550
1915 91080
1916 91620
1917 92160
1918 92740
1919 93320
1920 93900
1921 94480
1922 95070
1923 95670
1924 96280
1925 96890
1926 97500
1927 98120
1928 98730
1929 99350
1930 100600
1931 101800
1932 103000
1933 104200
1934 105400
1935 106500
1936 107700
1937 108900
1938 110000
1939 111200
1940 112300
1941 113500
1942 114600
1943 115700
1944 116800
1945 117900
1946 119000
1947 120100
1948 121200
1949 122300
1950 123400
1951 123300
1952 122900
1953 122500
1954 121900
1955 119800
1956 117800
1957 115900
1958 114000
1959 112200
1960 110500
1961 108800
1962 107100
1963 108800
1964 110400
1965 105500
1966 107600
1967 109300
1968 111200
1969 113000
1970 115100
1971 117100
1972 118800
1973 120700
1974 123100
1975 126000
1976 129700
1977 133700
1978 137900
1979 141900
1980 145300
1981 149000
1982 151500
1983 152600
1984 152000
1985 149900
1986 148100
1987 144600
1988 141100
1989 139200
1990 140500
1991 141200
1992 144200
1993 148200
1994 151300
1995 152100
1996 151400
1997 148500
1998 143800
1999 138900
2000 134500
2001 130600
2002 127100
2003 123800
2004 120700
2005 117600
2006 114700
2007 109700
2008 105600
2009 101700
2010 98980
2011 95500
2012 90500
2013 86760
2014 83760
2015 82390