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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1981 | 1 |
| 1987 | 1 |
| 1988 | 4 |
| 1989 | 5 |
| 1990 | 5 |
| 1991 | 6 |
| 1992 | 5 |
| 1993 | 8 |
| 1994 | 12 |
| 1995 | 29 |
| 1996 | 39 |
| 1997 | 47 |
| 1998 | 55 |
| 1999 | 55 |
| 2000 | 81 |
| 2001 | 72 |
| 2002 | 72 |
| 2003 | 74 |
| 2004 | 73 |
| 2005 | 76 |
| 2006 | 71 |
| 2007 | 91 |
| 2008 | 110 |
| 2009 | 113 |
| 2010 | 130 |
| 2011 | 153 |
| 2012 | 153 |
| 2013 | 170 |
| 2014 | 154 |
| 2015 | 148 |
| 2016 | 145 |
| 2017 | 139 |
| 2018 | 118 |
| 2019 | 119 |
| 2020 | 114 |
| 2021 | 67 |
| 2022 | 20 |
| 2023 | 7 |
| 2024 | 4 |