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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 18 |
| 1978 | 24 |
| 1979 | 42 |
| 1980 | 38 |
| 1981 | 26 |
| 1982 | 31 |
| 1983 | 27 |
| 1984 | 30 |
| 1985 | 40 |
| 1986 | 28 |
| 1987 | 30 |
| 1988 | 48 |
| 1989 | 47 |
| 1990 | 29 |
| 1991 | 46 |
| 1992 | 42 |
| 1993 | 58 |
| 1994 | 59 |
| 1995 | 72 |
| 1996 | 81 |
| 1997 | 77 |
| 1998 | 98 |
| 1999 | 94 |
| 2000 | 93 |
| 2001 | 131 |
| 2002 | 113 |
| 2003 | 88 |
| 2004 | 92 |
| 2005 | 95 |
| 2006 | 97 |
| 2007 | 103 |
| 2008 | 95 |
| 2009 | 98 |
| 2010 | 82 |
| 2011 | 95 |
| 2012 | 104 |
| 2013 | 89 |
| 2014 | 88 |
| 2015 | 86 |
| 2016 | 51 |
| 2017 | 36 |
| 2018 | 32 |
| 2019 | 36 |
| 2020 | 36 |
| 2021 | 27 |
| 2022 | 21 |
| 2023 | 27 |
| 2024 | 22 |
| 2025 | 2 |