Year Number of
1800 13420
1801 13420
1802 13420
1803 13420
1804 13420
1805 13420
1806 13420
1807 13420
1808 13420
1809 13420
1810 13420
1811 13430
1812 13460
1813 13510
1814 13570
1815 13640
1816 13740
1817 13850
1818 13970
1819 14120
1820 14280
1821 14460
1822 14650
1823 14860
1824 15090
1825 15340
1826 15610
1827 15890
1828 16200
1829 16520
1830 16850
1831 17210
1832 17570
1833 17940
1834 18310
1835 18680
1836 19050
1837 19430
1838 19810
1839 20190
1840 20580
1841 21030
1842 21490
1843 21980
1844 22450
1845 22920
1846 23400
1847 23890
1848 24410
1849 24910
1850 25410
1851 25930
1852 28460
1853 27760
1854 27340
1855 28700
1856 29700
1857 29730
1858 28060
1859 28520
1860 33170
1861 28040
1862 29360
1863 29840
1864 31430
1865 27180
1866 29460
1867 30780
1868 32700
1869 33860
1870 34560
1871 34440
1872 37160
1873 38410
1874 38830
1875 37580
1876 36360
1877 35360
1878 33680
1879 38020
1880 36310
1881 44560
1882 41010
1883 42400
1884 40600
1885 26360
1886 33170
1887 34680
1888 37730
1889 41820
1890 41180
1891 38080
1892 44310
1893 45450
1894 49610
1895 47360
1896 47140
1897 49380
1898 48900
1899 51520
1900 60990
1901 71140
1902 63330
1903 62230
1904 67740
1905 59280
1906 78180
1907 71560
1908 77330
1909 77580
1910 66600
1911 84110
1912 73410
1913 73030
1914 65000
1915 64620
1916 61220
1917 68150
1918 65190
1919 78940
1920 68490
1921 73090
1922 63760
1923 75940
1924 72150
1925 70760
1926 69640
1927 63480
1928 60040
1929 63920
1930 67810
1931 68260
1932 70190
1933 78170
1934 80550
1935 78310
1936 79740
1937 77360
1938 76820
1939 74260
1940 72610
1941 67840
1942 67010
1943 67540
1944 63800
1945 65680
1946 57840
1947 58940
1948 53990
1949 57980
1950 55610
1951 54210
1952 53380
1953 52530
1954 51610
1955 50640
1956 49620
1957 48560
1958 47460
1959 46110
1960 42980
1961 40870
1962 39660
1963 38360
1964 36210
1965 33310
1966 30160
1967 27240
1968 24980
1969 23620
1970 22830
1971 22130
1972 21200
1973 19940
1974 18330
1975 16420
1976 14270
1977 12120
1978 10390
1979 9237
1980 8409
1981 7692
1982 6960
1983 6405
1984 6096
1985 6015
1986 6062
1987 6148
1988 6137
1989 5929
1990 5569
1991 5116
1992 4646
1993 4163
1994 3757
1995 3440
1996 3236
1997 3138
1998 3083
1999 2953
2000 2789
2001 2620
2002 2473
2003 2377
2004 2306
2005 2239
2006 2200
2007 2162
2008 2150
2009 2114
2010 2104
2011 2070
2012 2036
2013 1979
2014 1948
2015 1896