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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1980 | 21 |
| 1981 | 45 |
| 1982 | 52 |
| 1983 | 51 |
| 1984 | 67 |
| 1985 | 72 |
| 1986 | 65 |
| 1987 | 66 |
| 1988 | 74 |
| 1989 | 84 |
| 1990 | 94 |
| 1991 | 97 |
| 1992 | 95 |
| 1993 | 131 |
| 1994 | 144 |
| 1995 | 151 |
| 1996 | 112 |
| 1997 | 126 |
| 1998 | 121 |
| 1999 | 116 |
| 2000 | 106 |
| 2001 | 109 |
| 2002 | 126 |
| 2003 | 118 |
| 2004 | 119 |
| 2005 | 100 |
| 2006 | 105 |
| 2007 | 87 |
| 2008 | 77 |
| 2009 | 68 |
| 2010 | 48 |
| 2011 | 55 |
| 2012 | 56 |
| 2013 | 56 |
| 2014 | 57 |
| 2015 | 39 |
| 2016 | 9 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2024 | 1 |