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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1818 | 1 |
| 1843 | 1 |
| 1844 | 2 |
| 1845 | 1 |
| 1856 | 1 |
| 1864 | 1 |
| 1866 | 1 |
| 1867 | 1 |
| 1872 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 2 |
| 1899 | 1 |
| 1904 | 3 |
| 1905 | 1 |
| 1907 | 1 |
| 1908 | 2 |
| 1909 | 3 |
| 1910 | 2 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 4 |
| 1914 | 1 |
| 1915 | 5 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 3 |
| 1919 | 1 |
| 1920 | 2 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1928 | 1 |
| 1929 | 2 |
| 1932 | 1 |
| 1934 | 1 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 5 |
| 1947 | 7 |
| 1948 | 11 |
| 1949 | 7 |
| 1950 | 13 |
| 1951 | 4 |
| 1952 | 7 |
| 1953 | 12 |
| 1954 | 9 |
| 1955 | 12 |
| 1956 | 12 |
| 1957 | 26 |
| 1958 | 16 |
| 1959 | 20 |
| 1960 | 14 |
| 1961 | 15 |
| 1962 | 20 |
| 1963 | 24 |
| 1964 | 34 |
| 1965 | 44 |
| 1966 | 35 |
| 1967 | 27 |
| 1968 | 30 |
| 1969 | 44 |
| 1970 | 50 |
| 1971 | 48 |
| 1972 | 50 |
| 1973 | 51 |
| 1974 | 46 |
| 1975 | 43 |
| 1976 | 52 |
| 1977 | 52 |
| 1978 | 47 |
| 1979 | 54 |
| 1980 | 68 |
| 1981 | 59 |
| 1982 | 55 |
| 1983 | 74 |
| 1984 | 62 |
| 1985 | 63 |
| 1986 | 71 |
| 1987 | 62 |
| 1988 | 77 |
| 1989 | 110 |
| 1990 | 92 |
| 1991 | 114 |
| 1992 | 113 |
| 1993 | 115 |
| 1994 | 148 |
| 1995 | 143 |
| 1996 | 146 |
| 1997 | 137 |
| 1998 | 166 |
| 1999 | 185 |
| 2000 | 195 |
| 2001 | 212 |
| 2002 | 265 |
| 2003 | 256 |
| 2004 | 282 |
| 2005 | 374 |
| 2006 | 359 |
| 2007 | 362 |
| 2008 | 340 |
| 2009 | 370 |
| 2010 | 401 |
| 2011 | 450 |
| 2012 | 462 |
| 2013 | 442 |
| 2014 | 543 |
| 2015 | 644 |
| 2016 | 619 |
| 2017 | 584 |
| 2018 | 588 |
| 2019 | 740 |
| 2020 | 820 |
| 2021 | 910 |
| 2022 | 860 |
| 2023 | 798 |
| 2024 | 849 |
| 2025 | 814 |
| 2026 | 2 |