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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 2 |
| 1961 | 7 |
| 1962 | 7 |
| 1963 | 11 |
| 1964 | 14 |
| 1965 | 5 |
| 1966 | 13 |
| 1967 | 20 |
| 1968 | 24 |
| 1969 | 23 |
| 1970 | 22 |
| 1971 | 24 |
| 1972 | 16 |
| 1973 | 20 |
| 1974 | 32 |
| 1975 | 31 |
| 1976 | 33 |
| 1977 | 51 |
| 1978 | 69 |
| 1979 | 62 |
| 1980 | 60 |
| 1981 | 68 |
| 1982 | 69 |
| 1983 | 90 |
| 1984 | 92 |
| 1985 | 100 |
| 1986 | 103 |
| 1987 | 119 |
| 1988 | 134 |
| 1989 | 155 |
| 1990 | 145 |
| 1991 | 153 |
| 1992 | 160 |
| 1993 | 185 |
| 1994 | 194 |
| 1995 | 196 |
| 1996 | 193 |
| 1997 | 218 |
| 1998 | 243 |
| 1999 | 258 |
| 2000 | 255 |
| 2001 | 274 |
| 2002 | 261 |
| 2003 | 288 |
| 2004 | 341 |
| 2005 | 332 |
| 2006 | 338 |
| 2007 | 339 |
| 2008 | 322 |
| 2009 | 348 |
| 2010 | 363 |
| 2011 | 377 |
| 2012 | 432 |
| 2013 | 426 |
| 2014 | 377 |
| 2015 | 405 |
| 2016 | 419 |
| 2017 | 481 |
| 2018 | 476 |
| 2019 | 429 |
| 2020 | 501 |
| 2021 | 506 |
| 2022 | 485 |
| 2023 | 501 |
| 2024 | 458 |
| 2025 | 3 |