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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1977 | 1 |
| 1979 | 2 |
| 1980 | 18 |
| 1981 | 50 |
| 1982 | 78 |
| 1983 | 85 |
| 1984 | 74 |
| 1985 | 101 |
| 1986 | 77 |
| 1987 | 75 |
| 1988 | 75 |
| 1989 | 73 |
| 1990 | 98 |
| 1991 | 110 |
| 1992 | 113 |
| 1993 | 105 |
| 1994 | 109 |
| 1995 | 120 |
| 1996 | 109 |
| 1997 | 119 |
| 1998 | 113 |
| 1999 | 98 |
| 2000 | 122 |
| 2001 | 128 |
| 2002 | 87 |
| 2003 | 102 |
| 2004 | 95 |
| 2005 | 102 |
| 2006 | 132 |
| 2007 | 109 |
| 2008 | 101 |
| 2009 | 104 |
| 2010 | 96 |
| 2011 | 108 |
| 2012 | 107 |
| 2013 | 90 |
| 2014 | 63 |
| 2015 | 89 |
| 2016 | 89 |
| 2017 | 84 |
| 2018 | 56 |
| 2019 | 61 |
| 2020 | 49 |
| 2021 | 43 |
| 2022 | 22 |
| 2023 | 19 |
| 2024 | 5 |