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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1975 | 1 |
| 1987 | 2 |
| 1988 | 2 |
| 1989 | 20 |
| 1990 | 61 |
| 1991 | 96 |
| 1992 | 84 |
| 1993 | 89 |
| 1994 | 70 |
| 1995 | 64 |
| 1996 | 58 |
| 1997 | 69 |
| 1998 | 51 |
| 1999 | 55 |
| 2000 | 64 |
| 2001 | 64 |
| 2002 | 70 |
| 2003 | 68 |
| 2004 | 86 |
| 2005 | 83 |
| 2006 | 97 |
| 2007 | 113 |
| 2008 | 120 |
| 2009 | 84 |
| 2010 | 96 |
| 2011 | 95 |
| 2012 | 118 |
| 2013 | 118 |
| 2014 | 126 |
| 2015 | 124 |
| 2016 | 125 |
| 2017 | 114 |
| 2018 | 111 |
| 2019 | 120 |
| 2020 | 87 |
| 2021 | 38 |
| 2022 | 10 |
| 2023 | 13 |
| 2024 | 11 |