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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1982 | 1 |
| 1988 | 2 |
| 1989 | 32 |
| 1990 | 85 |
| 1991 | 111 |
| 1992 | 84 |
| 1993 | 87 |
| 1994 | 121 |
| 1995 | 85 |
| 1996 | 76 |
| 1997 | 97 |
| 1998 | 87 |
| 1999 | 103 |
| 2000 | 97 |
| 2001 | 112 |
| 2002 | 101 |
| 2003 | 97 |
| 2004 | 116 |
| 2005 | 141 |
| 2006 | 163 |
| 2007 | 137 |
| 2008 | 146 |
| 2009 | 133 |
| 2010 | 112 |
| 2011 | 130 |
| 2012 | 95 |
| 2013 | 100 |
| 2014 | 89 |
| 2015 | 100 |
| 2016 | 79 |
| 2017 | 87 |
| 2018 | 76 |
| 2019 | 83 |
| 2020 | 74 |
| 2021 | 55 |
| 2022 | 38 |
| 2023 | 28 |
| 2024 | 13 |