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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 3 |
| 1955 | 2 |
| 1966 | 2 |
| 1967 | 7 |
| 1968 | 9 |
| 1969 | 11 |
| 1970 | 9 |
| 1971 | 14 |
| 1972 | 15 |
| 1973 | 21 |
| 1974 | 45 |
| 1975 | 34 |
| 1976 | 36 |
| 1977 | 40 |
| 1978 | 29 |
| 1979 | 18 |
| 1980 | 21 |
| 1981 | 23 |
| 1982 | 25 |
| 1983 | 17 |
| 1984 | 32 |
| 1985 | 31 |
| 1986 | 30 |
| 1987 | 36 |
| 1988 | 36 |
| 1989 | 41 |
| 1990 | 51 |
| 1991 | 69 |
| 1992 | 70 |
| 1993 | 85 |
| 1994 | 79 |
| 1995 | 78 |
| 1996 | 91 |
| 1997 | 96 |
| 1998 | 93 |
| 1999 | 109 |
| 2000 | 170 |
| 2001 | 219 |
| 2002 | 240 |
| 2003 | 259 |
| 2004 | 241 |
| 2005 | 315 |
| 2006 | 372 |
| 2007 | 405 |
| 2008 | 363 |
| 2009 | 453 |
| 2010 | 472 |
| 2011 | 502 |
| 2012 | 544 |
| 2013 | 522 |
| 2014 | 513 |
| 2015 | 503 |
| 2016 | 466 |
| 2017 | 483 |
| 2018 | 415 |
| 2019 | 428 |
| 2020 | 339 |
| 2021 | 294 |
| 2022 | 128 |
| 2023 | 69 |
| 2024 | 22 |