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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1980 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1992 | 1 |
| 1994 | 3 |
| 1995 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 5 |
| 2000 | 5 |
| 2001 | 5 |
| 2002 | 7 |
| 2003 | 12 |
| 2004 | 16 |
| 2005 | 16 |
| 2006 | 16 |
| 2007 | 18 |
| 2008 | 29 |
| 2009 | 53 |
| 2010 | 74 |
| 2011 | 78 |
| 2012 | 77 |
| 2013 | 97 |
| 2014 | 100 |
| 2015 | 114 |
| 2016 | 109 |
| 2017 | 108 |
| 2018 | 110 |
| 2019 | 110 |
| 2020 | 94 |
| 2021 | 99 |
| 2022 | 93 |
| 2023 | 71 |
| 2024 | 99 |
| 2025 | 11 |