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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 5 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 4 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 6 |
| 1994 | 5 |
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 6 |
| 1998 | 11 |
| 1999 | 12 |
| 2000 | 16 |
| 2001 | 24 |
| 2002 | 22 |
| 2003 | 28 |
| 2004 | 51 |
| 2005 | 56 |
| 2006 | 55 |
| 2007 | 50 |
| 2008 | 59 |
| 2009 | 83 |
| 2010 | 118 |
| 2011 | 103 |
| 2012 | 131 |
| 2013 | 138 |
| 2014 | 126 |
| 2015 | 125 |
| 2016 | 125 |
| 2017 | 135 |
| 2018 | 157 |
| 2019 | 175 |
| 2020 | 175 |
| 2021 | 169 |
| 2022 | 133 |
| 2023 | 132 |
| 2024 | 155 |
| 2025 | 135 |