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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1803 | 1 |
| 1805 | 3 |
| 1806 | 1 |
| 1817 | 1 |
| 1827 | 1 |
| 1836 | 1 |
| 1838 | 2 |
| 1839 | 1 |
| 1841 | 3 |
| 1842 | 2 |
| 1843 | 1 |
| 1844 | 3 |
| 1845 | 3 |
| 1846 | 3 |
| 1847 | 5 |
| 1848 | 13 |
| 1849 | 3 |
| 1851 | 2 |
| 1852 | 1 |
| 1854 | 2 |
| 1855 | 4 |
| 1856 | 2 |
| 1857 | 2 |
| 1859 | 1 |
| 1860 | 4 |
| 1861 | 2 |
| 1862 | 1 |
| 1864 | 1 |
| 1865 | 3 |
| 1866 | 3 |
| 1867 | 2 |
| 1868 | 7 |
| 1869 | 9 |
| 1870 | 10 |
| 1871 | 4 |
| 1872 | 11 |
| 1873 | 2 |
| 1875 | 4 |
| 1876 | 2 |
| 1877 | 4 |
| 1878 | 32 |
| 1879 | 23 |
| 1880 | 11 |
| 1881 | 7 |
| 1882 | 17 |
| 1883 | 10 |
| 1884 | 6 |
| 1885 | 5 |
| 1886 | 5 |
| 1887 | 13 |
| 1888 | 10 |
| 1889 | 6 |
| 1890 | 8 |
| 1891 | 11 |
| 1892 | 4 |
| 1893 | 11 |
| 1894 | 5 |
| 1895 | 5 |
| 1896 | 6 |
| 1897 | 7 |
| 1898 | 5 |
| 1899 | 1 |
| 1900 | 7 |
| 1901 | 5 |
| 1902 | 4 |
| 1903 | 2 |
| 1904 | 5 |
| 1905 | 7 |
| 1906 | 3 |
| 1907 | 3 |
| 1908 | 3 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 4 |
| 1912 | 6 |
| 1913 | 4 |
| 1914 | 3 |
| 1915 | 2 |
| 1916 | 4 |
| 1917 | 2 |
| 1918 | 3 |
| 1920 | 4 |
| 1921 | 2 |
| 1922 | 2 |
| 1923 | 1 |
| 1925 | 1 |
| 1926 | 9 |
| 1927 | 7 |
| 1928 | 3 |
| 1929 | 5 |
| 1930 | 9 |
| 1931 | 5 |
| 1932 | 6 |
| 1933 | 7 |
| 1934 | 13 |
| 1935 | 8 |
| 1936 | 10 |
| 1937 | 8 |
| 1938 | 6 |
| 1939 | 7 |
| 1940 | 5 |
| 1941 | 6 |
| 1942 | 3 |
| 1943 | 1 |
| 1944 | 4 |
| 1945 | 15 |
| 1946 | 54 |
| 1947 | 62 |
| 1948 | 50 |
| 1949 | 40 |
| 1950 | 55 |
| 1951 | 45 |
| 1952 | 46 |
| 1953 | 49 |
| 1954 | 62 |
| 1955 | 40 |
| 1956 | 53 |
| 1957 | 49 |
| 1958 | 61 |
| 1959 | 54 |
| 1960 | 50 |
| 1961 | 48 |
| 1962 | 58 |
| 1963 | 80 |
| 1964 | 98 |
| 1965 | 94 |
| 1966 | 104 |
| 1967 | 115 |
| 1968 | 150 |
| 1969 | 153 |
| 1970 | 140 |
| 1971 | 176 |
| 1972 | 156 |
| 1973 | 194 |
| 1974 | 200 |
| 1975 | 206 |
| 1976 | 204 |
| 1977 | 196 |
| 1978 | 217 |
| 1979 | 257 |
| 1980 | 264 |
| 1981 | 288 |
| 1982 | 329 |
| 1983 | 334 |
| 1984 | 271 |
| 1985 | 326 |
| 1986 | 351 |
| 1987 | 408 |
| 1988 | 426 |
| 1989 | 430 |
| 1990 | 435 |
| 1991 | 429 |
| 1992 | 446 |
| 1993 | 480 |
| 1994 | 492 |
| 1995 | 521 |
| 1996 | 526 |
| 1997 | 582 |
| 1998 | 564 |
| 1999 | 575 |
| 2000 | 648 |
| 2001 | 630 |
| 2002 | 613 |
| 2003 | 677 |
| 2004 | 797 |
| 2005 | 869 |
| 2006 | 919 |
| 2007 | 952 |
| 2008 | 993 |
| 2009 | 1060 |
| 2010 | 1180 |
| 2011 | 1313 |
| 2012 | 1390 |
| 2013 | 1513 |
| 2014 | 1536 |
| 2015 | 1650 |
| 2016 | 1614 |
| 2017 | 1686 |
| 2018 | 1937 |
| 2019 | 1959 |
| 2020 | 2241 |
| 2021 | 2472 |
| 2022 | 2400 |
| 2023 | 2301 |
| 2024 | 2241 |
| 2025 | 1767 |
| 2026 | 3 |