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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1828 | 1 |
| 1833 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1868 | 1 |
| 1874 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1894 | 1 |
| 1900 | 1 |
| 1916 | 3 |
| 1918 | 2 |
| 1929 | 1 |
| 1938 | 2 |
| 1939 | 1 |
| 1942 | 1 |
| 1946 | 4 |
| 1947 | 3 |
| 1949 | 2 |
| 1950 | 8 |
| 1951 | 6 |
| 1952 | 5 |
| 1953 | 6 |
| 1954 | 6 |
| 1955 | 5 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 3 |
| 1963 | 5 |
| 1964 | 4 |
| 1965 | 3 |
| 1966 | 3 |
| 1967 | 4 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 4 |
| 1972 | 5 |
| 1973 | 4 |
| 1974 | 2 |
| 1975 | 15 |
| 1976 | 26 |
| 1977 | 19 |
| 1978 | 12 |
| 1979 | 21 |
| 1980 | 18 |
| 1981 | 16 |
| 1982 | 20 |
| 1983 | 18 |
| 1984 | 30 |
| 1985 | 30 |
| 1986 | 29 |
| 1987 | 36 |
| 1988 | 36 |
| 1989 | 43 |
| 1990 | 38 |
| 1991 | 63 |
| 1992 | 65 |
| 1993 | 88 |
| 1994 | 92 |
| 1995 | 89 |
| 1996 | 87 |
| 1997 | 104 |
| 1998 | 95 |
| 1999 | 96 |
| 2000 | 115 |
| 2001 | 138 |
| 2002 | 130 |
| 2003 | 161 |
| 2004 | 192 |
| 2005 | 225 |
| 2006 | 275 |
| 2007 | 293 |
| 2008 | 406 |
| 2009 | 389 |
| 2010 | 386 |
| 2011 | 380 |
| 2012 | 369 |
| 2013 | 407 |
| 2014 | 408 |
| 2015 | 357 |
| 2016 | 336 |
| 2017 | 342 |
| 2018 | 466 |
| 2019 | 401 |
| 2020 | 475 |
| 2021 | 530 |
| 2022 | 486 |
| 2023 | 502 |
| 2024 | 528 |
| 2025 | 139 |