Year Number of
1800 22640
1801 22590
1802 22540
1803 22500
1804 22450
1805 22400
1806 22360
1807 22310
1808 22260
1809 22220
1810 22170
1811 22130
1812 22110
1813 22090
1814 22080
1815 22080
1816 22100
1817 22120
1818 22150
1819 22200
1820 22250
1821 22310
1822 22380
1823 22470
1824 22560
1825 22660
1826 22780
1827 22900
1828 23040
1829 23180
1830 23340
1831 23500
1832 23670
1833 23840
1834 24000
1835 24180
1836 24350
1837 24520
1838 24690
1839 24870
1840 25040
1841 25220
1842 25400
1843 25580
1844 25760
1845 25940
1846 26130
1847 26310
1848 26500
1849 26690
1850 26880
1851 27070
1852 27260
1853 27450
1854 27640
1855 27840
1856 28040
1857 28230
1858 28430
1859 28630
1860 28840
1861 29040
1862 29240
1863 29450
1864 29660
1865 29870
1866 30080
1867 30290
1868 30500
1869 30720
1870 30940
1871 31150
1872 31370
1873 31590
1874 31810
1875 32030
1876 32260
1877 32480
1878 32710
1879 32940
1880 33170
1881 33400
1882 33630
1883 33870
1884 34100
1885 34340
1886 34590
1887 34820
1888 35070
1889 35320
1890 35570
1891 35820
1892 36070
1893 36320
1894 36580
1895 36840
1896 37100
1897 37360
1898 37620
1899 37890
1900 38160
1901 37760
1902 37420
1903 37020
1904 36630
1905 36290
1906 35900
1907 35510
1908 35160
1909 34780
1910 34390
1911 34050
1912 33660
1913 33280
1914 32940
1915 32550
1916 32170
1917 31830
1918 31450
1919 31070
1920 30730
1921 30360
1922 29980
1923 29640
1924 29260
1925 28890
1926 28550
1927 28180
1928 27800
1929 27470
1930 27000
1931 25930
1932 24910
1933 23920
1934 22970
1935 22060
1936 21190
1937 20350
1938 19540
1939 18760
1940 18010
1941 17290
1942 16600
1943 15940
1944 15300
1945 14690
1946 14100
1947 13530
1948 12980
1949 12460
1950 11950
1951 11870
1952 11730
1953 11580
1954 11410
1955 11240
1956 11040
1957 10820
1958 10570
1959 10280
1960 9889
1961 9659
1962 9361
1963 8997
1964 8586
1965 8160
1966 7756
1967 7409
1968 7136
1969 6942
1970 6817
1971 6739
1972 6679
1973 6611
1974 6531
1975 6961
1976 6764
1977 6419
1978 5987
1979 5579
1980 5303
1981 5148
1982 5071
1983 5062
1984 5053
1985 5027
1986 4986
1987 4924
1988 4835
1989 4689
1990 4497
1991 4313
1992 4068
1993 3793
1994 3497
1995 3209
1996 2882
1997 2573
1998 2294
1999 2052
2000 1863
2001 1709
2002 1603
2003 1529
2004 1460
2005 1391
2006 1323
2007 1248
2008 1173
2009 1101
2010 1026
2011 955
2012 877
2013 801
2014 734
2015 673