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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 4 |
| 1956 | 13 |
| 1957 | 6 |
| 1958 | 5 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 7 |
| 1962 | 2 |
| 1965 | 9 |
| 1966 | 22 |
| 1967 | 28 |
| 1968 | 27 |
| 1969 | 29 |
| 1970 | 56 |
| 1971 | 43 |
| 1972 | 37 |
| 1973 | 55 |
| 1974 | 44 |
| 1975 | 44 |
| 1976 | 50 |
| 1977 | 41 |
| 1978 | 35 |
| 1979 | 37 |
| 1980 | 40 |
| 1981 | 29 |
| 1982 | 45 |
| 1983 | 35 |
| 1984 | 50 |
| 1985 | 79 |
| 1986 | 58 |
| 1987 | 70 |
| 1988 | 69 |
| 1989 | 58 |
| 1990 | 80 |
| 1991 | 61 |
| 1992 | 93 |
| 1993 | 68 |
| 1994 | 74 |
| 1995 | 115 |
| 1996 | 100 |
| 1997 | 91 |
| 1998 | 115 |
| 1999 | 115 |
| 2000 | 99 |
| 2001 | 122 |
| 2002 | 124 |
| 2003 | 107 |
| 2004 | 139 |
| 2005 | 136 |
| 2006 | 166 |
| 2007 | 198 |
| 2008 | 188 |
| 2009 | 187 |
| 2010 | 204 |
| 2011 | 257 |
| 2012 | 220 |
| 2013 | 256 |
| 2014 | 263 |
| 2015 | 277 |
| 2016 | 285 |
| 2017 | 254 |
| 2018 | 266 |
| 2019 | 302 |
| 2020 | 310 |
| 2021 | 265 |
| 2022 | 244 |
| 2023 | 183 |
| 2024 | 262 |
| 2025 | 1 |