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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1984 | 1 |
| 1988 | 2 |
| 1989 | 15 |
| 1990 | 25 |
| 1991 | 78 |
| 1992 | 87 |
| 1993 | 37 |
| 1994 | 37 |
| 1995 | 43 |
| 1996 | 59 |
| 1997 | 55 |
| 1998 | 76 |
| 1999 | 21 |
| 2000 | 44 |
| 2001 | 60 |
| 2002 | 38 |
| 2003 | 95 |
| 2004 | 109 |
| 2005 | 108 |
| 2006 | 75 |
| 2007 | 76 |
| 2008 | 57 |
| 2009 | 43 |
| 2010 | 45 |
| 2011 | 54 |
| 2012 | 57 |
| 2013 | 50 |
| 2014 | 33 |
| 2015 | 29 |
| 2016 | 30 |
| 2017 | 31 |
| 2018 | 35 |
| 2019 | 50 |
| 2020 | 36 |
| 2021 | 21 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 0 |