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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1839 | 4 |
| 1840 | 1 |
| 1841 | 5 |
| 1842 | 3 |
| 1843 | 2 |
| 1844 | 1 |
| 1850 | 1 |
| 1856 | 3 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1882 | 1 |
| 1895 | 1 |
| 1896 | 2 |
| 1897 | 1 |
| 1909 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1933 | 1 |
| 1935 | 1 |
| 1938 | 1 |
| 1945 | 2 |
| 1946 | 5 |
| 1947 | 1 |
| 1948 | 10 |
| 1949 | 7 |
| 1950 | 7 |
| 1951 | 4 |
| 1952 | 5 |
| 1953 | 10 |
| 1954 | 2 |
| 1955 | 9 |
| 1956 | 2 |
| 1957 | 6 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 11 |
| 1962 | 13 |
| 1963 | 10 |
| 1964 | 14 |
| 1965 | 12 |
| 1966 | 14 |
| 1967 | 19 |
| 1968 | 21 |
| 1969 | 22 |
| 1970 | 31 |
| 1971 | 32 |
| 1972 | 23 |
| 1973 | 31 |
| 1974 | 42 |
| 1975 | 46 |
| 1976 | 45 |
| 1977 | 47 |
| 1978 | 70 |
| 1979 | 74 |
| 1980 | 73 |
| 1981 | 67 |
| 1982 | 68 |
| 1983 | 88 |
| 1984 | 83 |
| 1985 | 95 |
| 1986 | 105 |
| 1987 | 111 |
| 1988 | 129 |
| 1989 | 140 |
| 1990 | 141 |
| 1991 | 109 |
| 1992 | 133 |
| 1993 | 142 |
| 1994 | 159 |
| 1995 | 138 |
| 1996 | 168 |
| 1997 | 180 |
| 1998 | 193 |
| 1999 | 179 |
| 2000 | 185 |
| 2001 | 212 |
| 2002 | 221 |
| 2003 | 238 |
| 2004 | 306 |
| 2005 | 286 |
| 2006 | 323 |
| 2007 | 352 |
| 2008 | 371 |
| 2009 | 358 |
| 2010 | 382 |
| 2011 | 396 |
| 2012 | 446 |
| 2013 | 456 |
| 2014 | 466 |
| 2015 | 492 |
| 2016 | 505 |
| 2017 | 568 |
| 2018 | 521 |
| 2019 | 568 |
| 2020 | 586 |
| 2021 | 665 |
| 2022 | 634 |
| 2023 | 529 |
| 2024 | 534 |
| 2025 | 5 |