Year Number of
1800 34940
1801 35070
1802 35200
1803 35320
1804 35450
1805 35580
1806 35710
1807 35840
1808 35960
1809 36100
1810 36230
1811 36380
1812 36530
1813 36690
1814 36860
1815 37040
1816 37240
1817 37450
1818 37660
1819 37890
1820 38140
1821 38390
1822 38650
1823 38930
1824 39220
1825 39520
1826 39840
1827 40160
1828 40500
1829 40860
1830 41220
1831 41600
1832 41990
1833 42370
1834 42760
1835 43160
1836 43560
1837 43960
1838 44360
1839 44770
1840 45180
1841 45600
1842 46020
1843 46440
1844 46870
1845 47300
1846 47740
1847 48180
1848 48620
1849 49070
1850 49520
1851 48120
1852 46690
1853 45240
1854 43750
1855 42230
1856 40680
1857 39100
1858 37490
1859 35850
1860 34170
1861 35820
1862 35340
1863 34860
1864 36680
1865 35000
1866 38250
1867 36680
1868 37160
1869 37640
1870 37070
1871 37830
1872 38460
1873 37450
1874 40000
1875 39010
1876 41350
1877 40190
1878 38610
1879 35440
1880 35100
1881 35470
1882 36730
1883 36680
1884 42230
1885 42230
1886 44600
1887 46980
1888 49250
1889 51700
1890 53700
1891 53360
1892 52830
1893 52300
1894 51770
1895 51400
1896 50830
1897 50240
1898 49620
1899 48980
1900 48300
1901 47610
1902 46930
1903 46180
1904 45570
1905 44780
1906 44130
1907 43320
1908 42370
1909 41560
1910 40590
1911 39640
1912 34970
1913 30850
1914 27210
1915 24000
1916 21150
1917 18640
1918 16420
1919 14460
1920 12810
1921 11340
1922 14650
1923 15030
1924 16730
1925 20360
1926 18750
1927 25900
1928 25740
1929 30270
1930 26000
1931 37100
1932 33110
1933 32720
1934 28850
1935 28820
1936 28770
1937 30850
1938 23600
1939 28890
1940 22710
1941 20070
1942 17740
1943 15670
1944 13850
1945 12230
1946 10800
1947 9536
1948 8418
1949 7428
1950 5983
1951 7847
1952 8939
1953 8524
1954 9426
1955 8310
1956 8501
1957 8883
1958 9257
1959 9477
1960 9439
1961 9123
1962 8516
1963 7778
1964 7172
1965 6839
1966 6776
1967 6887
1968 6966
1969 6853
1970 6490
1971 5943
1972 5308
1973 4699
1974 4239
1975 3942
1976 3805
1977 3794
1978 3845
1979 3809
1980 3677
1981 3447
1982 3181
1983 2898
1984 2618
1985 2340
1986 2088
1987 1837
1988 1621
1989 1437
1990 1320
1991 1228
1992 1182
1993 1150
1994 1127
1995 1093
1996 1053
1997 1003
1998 937
1999 873
2000 813
2001 761
2002 710
2003 661
2004 624
2005 588
2006 564
2007 552
2008 538
2009 545
2010 536
2011 537
2012 536
2013 529
2014 507
2015 489