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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1991 | 3 |
| 1992 | 3 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 1 |
| 1997 | 4 |
| 1998 | 8 |
| 1999 | 7 |
| 2000 | 12 |
| 2001 | 13 |
| 2002 | 15 |
| 2003 | 23 |
| 2004 | 30 |
| 2005 | 35 |
| 2006 | 44 |
| 2007 | 49 |
| 2008 | 66 |
| 2009 | 69 |
| 2010 | 70 |
| 2011 | 99 |
| 2012 | 144 |
| 2013 | 120 |
| 2014 | 110 |
| 2015 | 108 |
| 2016 | 103 |
| 2017 | 103 |
| 2018 | 107 |
| 2019 | 79 |
| 2020 | 117 |
| 2021 | 116 |
| 2022 | 108 |
| 2023 | 103 |
| 2024 | 72 |
| 2025 | 73 |