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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 4 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 3 |
| 1965 | 4 |
| 1966 | 8 |
| 1967 | 10 |
| 1968 | 13 |
| 1969 | 9 |
| 1970 | 10 |
| 1971 | 19 |
| 1972 | 15 |
| 1973 | 10 |
| 1974 | 24 |
| 1975 | 26 |
| 1976 | 26 |
| 1977 | 41 |
| 1978 | 43 |
| 1979 | 62 |
| 1980 | 50 |
| 1981 | 57 |
| 1982 | 55 |
| 1983 | 45 |
| 1984 | 54 |
| 1985 | 64 |
| 1986 | 44 |
| 1987 | 51 |
| 1988 | 39 |
| 1989 | 38 |
| 1990 | 93 |
| 1991 | 181 |
| 1992 | 179 |
| 1993 | 186 |
| 1994 | 219 |
| 1995 | 242 |
| 1996 | 236 |
| 1997 | 239 |
| 1998 | 237 |
| 1999 | 250 |
| 2000 | 297 |
| 2001 | 259 |
| 2002 | 293 |
| 2003 | 301 |
| 2004 | 256 |
| 2005 | 305 |
| 2006 | 348 |
| 2007 | 357 |
| 2008 | 394 |
| 2009 | 420 |
| 2010 | 452 |
| 2011 | 433 |
| 2012 | 464 |
| 2013 | 461 |
| 2014 | 505 |
| 2015 | 519 |
| 2016 | 404 |
| 2017 | 458 |
| 2018 | 474 |
| 2019 | 495 |
| 2020 | 405 |
| 2021 | 347 |
| 2022 | 411 |
| 2023 | 386 |
| 2024 | 145 |