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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1979 | 2 |
| 1980 | 6 |
| 1981 | 10 |
| 1982 | 15 |
| 1983 | 20 |
| 1984 | 16 |
| 1985 | 28 |
| 1986 | 32 |
| 1987 | 34 |
| 1988 | 42 |
| 1989 | 30 |
| 1990 | 40 |
| 1991 | 45 |
| 1992 | 41 |
| 1993 | 71 |
| 1994 | 80 |
| 1995 | 98 |
| 1996 | 107 |
| 1997 | 115 |
| 1998 | 106 |
| 1999 | 130 |
| 2000 | 119 |
| 2001 | 113 |
| 2002 | 114 |
| 2003 | 117 |
| 2004 | 121 |
| 2005 | 113 |
| 2006 | 129 |
| 2007 | 117 |
| 2008 | 127 |
| 2009 | 112 |
| 2010 | 122 |
| 2011 | 114 |
| 2012 | 137 |
| 2013 | 160 |
| 2014 | 130 |
| 2015 | 115 |
| 2016 | 122 |
| 2017 | 97 |
| 2018 | 117 |
| 2019 | 91 |
| 2020 | 95 |
| 2021 | 72 |
| 2022 | 44 |
| 2023 | 32 |
| 2024 | 8 |