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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1981 | 29 |
| 1983 | 54 |
| 1984 | 78 |
| 1986 | 86 |
| 1987 | 28 |
| 1988 | 1 |
| 1989 | 114 |
| 1990 | 1 |
| 1992 | 180 |
| 1993 | 1 |
| 1994 | 244 |
| 1995 | 84 |
| 1996 | 152 |
| 1997 | 61 |
| 1998 | 129 |
| 1999 | 89 |
| 2000 | 48 |
| 2001 | 107 |
| 2002 | 56 |
| 2003 | 149 |
| 2004 | 86 |
| 2005 | 46 |
| 2006 | 3 |
| 2007 | 2 |
| 2008 | 3 |
| 2009 | 2 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |