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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 5 |
| 1958 | 4 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 4 |
| 1970 | 6 |
| 1971 | 9 |
| 1972 | 40 |
| 1973 | 25 |
| 1974 | 19 |
| 1975 | 50 |
| 1976 | 57 |
| 1977 | 72 |
| 1978 | 61 |
| 1979 | 86 |
| 1980 | 86 |
| 1981 | 66 |
| 1982 | 73 |
| 1983 | 100 |
| 1984 | 92 |
| 1985 | 64 |
| 1986 | 75 |
| 1987 | 112 |
| 1988 | 94 |
| 1989 | 81 |
| 1990 | 110 |
| 1991 | 127 |
| 1992 | 170 |
| 1993 | 225 |
| 1994 | 252 |
| 1995 | 215 |
| 1996 | 202 |
| 1997 | 190 |
| 1998 | 174 |
| 1999 | 259 |
| 2000 | 238 |
| 2001 | 240 |
| 2002 | 287 |
| 2003 | 284 |
| 2004 | 302 |
| 2005 | 263 |
| 2006 | 274 |
| 2007 | 319 |
| 2008 | 293 |
| 2009 | 374 |
| 2010 | 402 |
| 2011 | 466 |
| 2012 | 458 |
| 2013 | 454 |
| 2014 | 480 |
| 2015 | 505 |
| 2016 | 490 |
| 2017 | 537 |
| 2018 | 487 |
| 2019 | 546 |
| 2020 | 517 |
| 2021 | 421 |
| 2022 | 408 |
| 2023 | 296 |
| 2024 | 338 |
| 2025 | 230 |