Year Number of
1800 45410
1801 45570
1802 45740
1803 45900
1804 46060
1805 46230
1806 46390
1807 46560
1808 46730
1809 46900
1810 47080
1811 47250
1812 47440
1813 47630
1814 47830
1815 48040
1816 48260
1817 48480
1818 48720
1819 48960
1820 49220
1821 49480
1822 49750
1823 50030
1824 50320
1825 50620
1826 50920
1827 51240
1828 51570
1829 51900
1830 52250
1831 52610
1832 52960
1833 53320
1834 53690
1835 54050
1836 54420
1837 54790
1838 55170
1839 55540
1840 55920
1841 56300
1842 56680
1843 57070
1844 57460
1845 57850
1846 58250
1847 58640
1848 59040
1849 59440
1850 59850
1851 60260
1852 60670
1853 61080
1854 61500
1855 61920
1856 62340
1857 62770
1858 63200
1859 63630
1860 64060
1861 64500
1862 64940
1863 65390
1864 65840
1865 66290
1866 66750
1867 67210
1868 67670
1869 68140
1870 68620
1871 69090
1872 69580
1873 70050
1874 70540
1875 71030
1876 71530
1877 72020
1878 72530
1879 73040
1880 73560
1881 74070
1882 74600
1883 75120
1884 75640
1885 76180
1886 76720
1887 77260
1888 77800
1889 78350
1890 78910
1891 79460
1892 80030
1893 80590
1894 81160
1895 81730
1896 82300
1897 82860
1898 83410
1899 83950
1900 84490
1901 85010
1902 85520
1903 86020
1904 86520
1905 87000
1906 87470
1907 87920
1908 88360
1909 88800
1910 89230
1911 89650
1912 90070
1913 90740
1914 91660
1915 92840
1916 94020
1917 95190
1918 96380
1919 97570
1920 98780
1921 100000
1922 101200
1923 102500
1924 103800
1925 105100
1926 106300
1927 107700
1928 109000
1929 110300
1930 113100
1931 115800
1932 118500
1933 121200
1934 123800
1935 126500
1936 129100
1937 131700
1938 134300
1939 136900
1940 139400
1941 136700
1942 134000
1943 131100
1944 128200
1945 129000
1946 129800
1947 130500
1948 131200
1949 131800
1950 132500
1951 133300
1952 136600
1953 139800
1954 142900
1955 144700
1956 142900
1957 142300
1958 140300
1959 138300
1960 137600
1961 138000
1962 139700
1963 141800
1964 143100
1965 142800
1966 141300
1967 138100
1968 133800
1969 129600
1970 126100
1971 123100
1972 120500
1973 117900
1974 115500
1975 113100
1976 110300
1977 107300
1978 104100
1979 101000
1980 97890
1981 95010
1982 92080
1983 88820
1984 84970
1985 80560
1986 75590
1987 70030
1988 64530
1989 59800
1990 55980
1991 53140
1992 51060
1993 49380
1994 47440
1995 45070
1996 42270
1997 39180
1998 35990
1999 33100
2000 30720
2001 28850
2002 27280
2003 26080
2004 25150
2005 24430
2006 23890
2007 23510
2008 23180
2009 22940
2010 22550
2011 22190
2012 21730
2013 21280
2014 20580
2015 19760