Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1786 | 1 |
| 1791 | 1 |
| 1797 | 1 |
| 1799 | 3 |
| 1800 | 5 |
| 1801 | 1 |
| 1802 | 1 |
| 1804 | 1 |
| 1805 | 2 |
| 1806 | 3 |
| 1807 | 3 |
| 1808 | 1 |
| 1809 | 1 |
| 1810 | 1 |
| 1814 | 1 |
| 1815 | 1 |
| 1820 | 1 |
| 1821 | 4 |
| 1825 | 2 |
| 1826 | 7 |
| 1827 | 13 |
| 1828 | 3 |
| 1829 | 4 |
| 1830 | 2 |
| 1831 | 6 |
| 1832 | 2 |
| 1835 | 2 |
| 1837 | 1 |
| 1839 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1845 | 3 |
| 1847 | 2 |
| 1850 | 4 |
| 1851 | 3 |
| 1854 | 1 |
| 1855 | 3 |
| 1856 | 2 |
| 1857 | 7 |
| 1858 | 2 |
| 1859 | 4 |
| 1860 | 4 |
| 1861 | 1 |
| 1862 | 3 |
| 1863 | 10 |
| 1864 | 7 |
| 1865 | 4 |
| 1866 | 5 |
| 1867 | 4 |
| 1868 | 4 |
| 1869 | 5 |
| 1870 | 2 |
| 1871 | 9 |
| 1872 | 2 |
| 1873 | 3 |
| 1874 | 1 |
| 1875 | 1 |
| 1876 | 5 |
| 1877 | 4 |
| 1878 | 2 |
| 1879 | 3 |
| 1880 | 3 |
| 1881 | 5 |
| 1882 | 2 |
| 1883 | 2 |
| 1884 | 9 |
| 1885 | 6 |
| 1886 | 8 |
| 1887 | 9 |
| 1888 | 10 |
| 1889 | 10 |
| 1890 | 5 |
| 1891 | 1 |
| 1892 | 9 |
| 1893 | 14 |
| 1894 | 10 |
| 1895 | 7 |
| 1896 | 4 |
| 1897 | 12 |
| 1898 | 7 |
| 1899 | 8 |
| 1900 | 4 |
| 1901 | 7 |
| 1902 | 5 |
| 1903 | 5 |
| 1904 | 10 |
| 1905 | 13 |
| 1906 | 10 |
| 1907 | 7 |
| 1908 | 30 |
| 1909 | 9 |
| 1910 | 8 |
| 1911 | 12 |
| 1912 | 12 |
| 1913 | 12 |
| 1914 | 17 |
| 1915 | 18 |
| 1916 | 11 |
| 1917 | 16 |
| 1918 | 11 |
| 1919 | 15 |
| 1920 | 8 |
| 1921 | 10 |
| 1922 | 8 |
| 1923 | 11 |
| 1924 | 18 |
| 1925 | 23 |
| 1926 | 20 |
| 1927 | 32 |
| 1928 | 22 |
| 1929 | 30 |
| 1930 | 37 |
| 1931 | 25 |
| 1932 | 28 |
| 1933 | 35 |
| 1934 | 28 |
| 1935 | 26 |
| 1936 | 23 |
| 1937 | 20 |
| 1938 | 14 |
| 1939 | 20 |
| 1940 | 25 |
| 1941 | 21 |
| 1942 | 12 |
| 1943 | 22 |
| 1944 | 21 |
| 1945 | 43 |
| 1946 | 165 |
| 1947 | 152 |
| 1948 | 155 |
| 1949 | 120 |
| 1950 | 156 |
| 1951 | 185 |
| 1952 | 183 |
| 1953 | 210 |
| 1954 | 178 |
| 1955 | 194 |
| 1956 | 215 |
| 1957 | 261 |
| 1958 | 197 |
| 1959 | 237 |
| 1960 | 259 |
| 1961 | 229 |
| 1962 | 268 |
| 1963 | 302 |
| 1964 | 352 |
| 1965 | 325 |
| 1966 | 368 |
| 1967 | 384 |
| 1968 | 448 |
| 1969 | 492 |
| 1970 | 544 |
| 1971 | 521 |
| 1972 | 577 |
| 1973 | 605 |
| 1974 | 599 |
| 1975 | 654 |
| 1976 | 729 |
| 1977 | 747 |
| 1978 | 756 |
| 1979 | 779 |
| 1980 | 718 |
| 1981 | 862 |
| 1982 | 965 |
| 1983 | 891 |
| 1984 | 924 |
| 1985 | 1021 |
| 1986 | 1139 |
| 1987 | 1366 |
| 1988 | 1885 |
| 1989 | 1952 |
| 1990 | 2116 |
| 1991 | 2174 |
| 1992 | 2346 |
| 1993 | 2592 |
| 1994 | 2510 |
| 1995 | 2660 |
| 1996 | 2707 |
| 1997 | 2850 |
| 1998 | 2948 |
| 1999 | 3401 |
| 2000 | 3837 |
| 2001 | 4107 |
| 2002 | 4203 |
| 2003 | 4316 |
| 2004 | 4619 |
| 2005 | 4932 |
| 2006 | 5128 |
| 2007 | 5193 |
| 2008 | 5788 |
| 2009 | 6092 |
| 2010 | 6565 |
| 2011 | 7068 |
| 2012 | 7456 |
| 2013 | 8117 |
| 2014 | 9867 |
| 2015 | 11453 |
| 2016 | 12046 |
| 2017 | 12696 |
| 2018 | 13121 |
| 2019 | 13381 |
| 2020 | 15531 |
| 2021 | 16816 |
| 2022 | 9086 |
