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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1958 | 1 |
| 1963 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 1 |
| 1974 | 3 |
| 1975 | 9 |
| 1976 | 19 |
| 1977 | 12 |
| 1978 | 20 |
| 1979 | 23 |
| 1980 | 12 |
| 1981 | 23 |
| 1982 | 15 |
| 1983 | 18 |
| 1984 | 12 |
| 1985 | 18 |
| 1986 | 24 |
| 1987 | 24 |
| 1988 | 23 |
| 1989 | 30 |
| 1990 | 40 |
| 1991 | 36 |
| 1992 | 52 |
| 1993 | 44 |
| 1994 | 59 |
| 1995 | 76 |
| 1996 | 65 |
| 1997 | 55 |
| 1998 | 79 |
| 1999 | 84 |
| 2000 | 82 |
| 2001 | 83 |
| 2002 | 107 |
| 2003 | 122 |
| 2004 | 118 |
| 2005 | 144 |
| 2006 | 191 |
| 2007 | 204 |
| 2008 | 239 |
| 2009 | 200 |
| 2010 | 282 |
| 2011 | 328 |
| 2012 | 358 |
| 2013 | 415 |
| 2014 | 480 |
| 2015 | 517 |
| 2016 | 579 |
| 2017 | 658 |
| 2018 | 677 |
| 2019 | 731 |
| 2020 | 936 |
| 2021 | 990 |
| 2022 | 1102 |
| 2023 | 1129 |
| 2024 | 1183 |
| 2025 | 494 |