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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1973 | 2 |
| 1976 | 1 |
| 1981 | 2 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 4 |
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 4 |
| 1995 | 3 |
| 1997 | 7 |
| 1998 | 5 |
| 1999 | 1 |
| 2000 | 4 |
| 2001 | 10 |
| 2002 | 7 |
| 2003 | 18 |
| 2004 | 13 |
| 2005 | 25 |
| 2006 | 37 |
| 2007 | 41 |
| 2008 | 38 |
| 2009 | 32 |
| 2010 | 54 |
| 2011 | 52 |
| 2012 | 51 |
| 2013 | 60 |
| 2014 | 68 |
| 2015 | 84 |
| 2016 | 76 |
| 2017 | 73 |
| 2018 | 92 |
| 2019 | 94 |
| 2020 | 106 |
| 2021 | 155 |
| 2022 | 137 |
| 2023 | 121 |
| 2024 | 129 |
| 2025 | 129 |
| 2026 | 54 |