Year Number of
1800 29250
1801 29240
1802 29240
1803 29240
1804 29240
1805 29240
1806 29240
1807 29230
1808 29230
1809 29230
1810 29230
1811 29240
1812 29260
1813 29300
1814 29350
1815 29420
1816 29490
1817 29580
1818 29690
1819 29810
1820 29940
1821 30080
1822 30240
1823 30420
1824 30610
1825 30810
1826 31030
1827 31260
1828 31510
1829 31770
1830 32050
1831 32340
1832 32640
1833 32940
1834 33240
1835 33540
1836 33850
1837 34160
1838 34470
1839 34780
1840 35100
1841 35420
1842 35750
1843 36070
1844 36400
1845 36740
1846 37070
1847 37410
1848 37760
1849 38100
1850 38450
1851 38860
1852 39270
1853 39680
1854 40100
1855 40530
1856 40950
1857 41390
1858 41820
1859 42270
1860 42710
1861 43160
1862 43620
1863 44080
1864 44550
1865 45020
1866 45490
1867 45970
1868 46460
1869 46940
1870 47440
1871 47940
1872 48450
1873 48940
1874 49460
1875 49980
1876 50510
1877 51020
1878 51560
1879 52100
1880 52650
1881 53200
1882 53760
1883 54320
1884 54880
1885 55460
1886 56040
1887 56620
1888 57220
1889 57820
1890 58420
1891 59040
1892 59660
1893 60290
1894 60920
1895 61560
1896 62200
1897 62860
1898 63520
1899 64180
1900 64860
1901 64970
1902 65070
1903 65180
1904 65290
1905 65410
1906 65520
1907 65620
1908 65730
1909 65840
1910 65950
1911 66060
1912 66170
1913 66290
1914 66400
1915 66510
1916 66620
1917 66740
1918 66730
1919 66760
1920 66790
1921 66810
1922 66840
1923 66870
1924 66890
1925 66920
1926 66940
1927 66970
1928 67000
1929 67020
1930 66930
1931 66840
1932 66190
1933 65540
1934 64900
1935 64260
1936 63620
1937 62980
1938 62350
1939 61720
1940 61090
1941 60460
1942 59840
1943 59220
1944 58600
1945 57990
1946 57380
1947 56780
1948 56180
1949 55580
1950 54980
1951 54830
1952 55420
1953 55930
1954 56370
1955 56750
1956 57060
1957 57310
1958 57490
1959 57600
1960 57650
1961 57630
1962 57560
1963 57460
1964 57380
1965 57350
1966 57440
1967 57650
1968 58030
1969 58560
1970 59230
1971 60020
1972 60880
1973 61780
1974 62710
1975 63680
1976 64710
1977 65800
1978 66960
1979 68060
1980 64360
1981 61750
1982 60010
1983 58820
1984 57670
1985 56410
1986 55260
1987 54340
1988 53420
1989 52480
1990 51690
1991 50700
1992 49300
1993 47260
1994 45180
1995 43120
1996 41250
1997 39600
1998 38110
1999 36580
2000 34950
2001 33390
2002 31940
2003 30700
2004 29810
2005 29320
2006 29270
2007 29510
2008 29890
2009 30130
2010 30120
2011 29810
2012 29250
2013 28420
2014 27360
2015 26200