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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 10 |
| 1968 | 4 |
| 1969 | 6 |
| 1970 | 9 |
| 1971 | 13 |
| 1972 | 4 |
| 1973 | 9 |
| 1974 | 14 |
| 1975 | 15 |
| 1976 | 13 |
| 1977 | 17 |
| 1978 | 14 |
| 1979 | 28 |
| 1980 | 29 |
| 1981 | 27 |
| 1982 | 19 |
| 1983 | 30 |
| 1984 | 31 |
| 1985 | 61 |
| 1986 | 73 |
| 1987 | 70 |
| 1988 | 56 |
| 1989 | 77 |
| 1990 | 88 |
| 1991 | 79 |
| 1992 | 106 |
| 1993 | 109 |
| 1994 | 84 |
| 1995 | 84 |
| 1996 | 103 |
| 1997 | 104 |
| 1998 | 127 |
| 1999 | 104 |
| 2000 | 139 |
| 2001 | 183 |
| 2002 | 181 |
| 2003 | 277 |
| 2004 | 259 |
| 2005 | 246 |
| 2006 | 273 |
| 2007 | 299 |
| 2008 | 357 |
| 2009 | 324 |
| 2010 | 363 |
| 2011 | 472 |
| 2012 | 564 |
| 2013 | 783 |
| 2014 | 865 |
| 2015 | 885 |
| 2016 | 843 |
| 2017 | 883 |
| 2018 | 982 |
| 2019 | 1046 |
| 2020 | 1158 |
| 2021 | 983 |
| 2022 | 849 |
| 2023 | 738 |
| 2024 | 682 |
| 2025 | 491 |