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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 2 |
| 1983 | 1 |
| 1988 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 5 |
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 5 |
| 2004 | 5 |
| 2005 | 11 |
| 2006 | 22 |
| 2007 | 27 |
| 2008 | 13 |
| 2009 | 28 |
| 2010 | 18 |
| 2011 | 37 |
| 2012 | 44 |
| 2013 | 41 |
| 2014 | 62 |
| 2015 | 73 |
| 2016 | 77 |
| 2017 | 80 |
| 2018 | 120 |
| 2019 | 99 |
| 2020 | 134 |
| 2021 | 156 |
| 2022 | 126 |
| 2023 | 154 |
| 2024 | 164 |
| 2025 | 80 |