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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 11 |
| 1967 | 16 |
| 1968 | 13 |
| 1969 | 14 |
| 1970 | 17 |
| 1971 | 11 |
| 1972 | 25 |
| 1973 | 17 |
| 1974 | 34 |
| 1975 | 38 |
| 1976 | 29 |
| 1977 | 28 |
| 1978 | 17 |
| 1979 | 53 |
| 1980 | 30 |
| 1981 | 13 |
| 1982 | 16 |
| 1983 | 11 |
| 1984 | 15 |
| 1985 | 25 |
| 1986 | 37 |
| 1987 | 68 |
| 1988 | 117 |
| 1989 | 97 |
| 1990 | 130 |
| 1991 | 147 |
| 1992 | 173 |
| 1993 | 96 |
| 1994 | 64 |
| 1995 | 62 |
| 1996 | 101 |
| 1997 | 71 |
| 1998 | 56 |
| 1999 | 70 |
| 2000 | 79 |
| 2001 | 114 |
| 2002 | 102 |
| 2003 | 87 |
| 2004 | 98 |
| 2005 | 109 |
| 2006 | 74 |
| 2007 | 111 |
| 2008 | 148 |
| 2009 | 165 |
| 2010 | 176 |
| 2011 | 238 |
| 2012 | 282 |
| 2013 | 348 |
| 2014 | 410 |
| 2015 | 393 |
| 2016 | 370 |
| 2017 | 374 |
| 2018 | 382 |
| 2019 | 391 |
| 2020 | 312 |
| 2021 | 204 |
| 2022 | 51 |
| 2023 | 8 |
| 2024 | 3 |