Year Number of 1800 1370 1801 1370 1802 1370 1803 1370 1804 1370 1805 1370 1806 1370 1807 1370 1808 1370 1809 1370 1810 1370 1811 1369 1812 1369 1813 1369 1814 1369 1815 1369 1816 1369 1817 1369 1818 1369 1819 1369 1820 1369 1821 1369 1822 1369 1823 1369 1824 1369 1825 1369 1826 1369 1827 1369 1828 1369 1829 1369 1830 1369 1831 1369 1832 1367 1833 1367 1834 1367 1835 1367 1836 1367 1837 1367 1838 1367 1839 1367 1840 1367 1841 1367 1842 1367 1843 1367 1844 1367 1845 1367 1846 1367 1847 1367 1848 1367 1849 1367 1850 1367 1851 1367 1852 1367 1853 1365 1854 1365 1855 1365 1856 1365 1857 1365 1858 1365 1859 1365 1860 1365 1861 1365 1862 1366 1863 1367 1864 1368 1865 1370 1866 1373 1867 1375 1868 1378 1869 1381 1870 1385 1871 1389 1872 1394 1873 1395 1874 1400 1875 1406 1876 1412 1877 1418 1878 1425 1879 1433 1880 1441 1881 1449 1882 1457 1883 1465 1884 1473 1885 1482 1886 1490 1887 1498 1888 1506 1889 1515 1890 1523 1891 1532 1892 1540 1893 1549 1894 1555 1895 1564 1896 1572 1897 1581 1898 1589 1899 1597 1900 1604 1901 1612 1902 1619 1903 1626 1904 1633 1905 1640 1906 1646 1907 1652 1908 1658 1909 1664 1910 1669 1911 1675 1912 1680 1913 1688 1914 1697 1915 1707 1916 1718 1917 1730 1918 1742 1919 1754 1920 1766 1921 1778 1922 1790 1923 1803 1924 1815 1925 1827 1926 1840 1927 1852 1928 1867 1929 1880 1930 1888 1931 1895 1932 1903 1933 1911 1934 1918 1935 1926 1936 1892 1937 1859 1938 1821 1939 1788 1940 1756 1941 1724 1942 1686 1943 1655 1944 1623 1945 1592 1946 1556 1947 1565 1948 1575 1949 1584 1950 1593 1951 1622 1952 1681 1953 1744 1954 1812 1955 1883 1956 1705 1957 1641 1958 1581 1959 1506 1960 1410 1961 1323 1962 1207 1963 1083 1964 971 1965 882 1966 812 1967 760 1968 716 1969 672 1970 626 1971 566 1972 508 1973 458 1974 421 1975 399 1976 381 1977 373 1978 370 1979 367 1980 359 1981 355 1982 348 1983 341 1984 333 1985 330 1986 328 1987 328 1988 331 1989 333 1990 331 1991 322 1992 304 1993 282 1994 255 1995 231 1996 210 1997 191 1998 178 1999 169 2000 164 2001 158 2002 156 2003 156 2004 159 2005 164 2006 162 2007 161 2008 158 2009 155 2010 151 2011 152 2012 150 2013 148 2014 142 2015 135