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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 2 |
| 1979 | 1 |
| 1981 | 1 |
| 1992 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 2 |
| 2000 | 2 |
| 2002 | 7 |
| 2003 | 4 |
| 2004 | 9 |
| 2005 | 20 |
| 2006 | 14 |
| 2007 | 26 |
| 2008 | 27 |
| 2009 | 33 |
| 2010 | 30 |
| 2011 | 30 |
| 2012 | 39 |
| 2013 | 46 |
| 2014 | 43 |
| 2015 | 51 |
| 2016 | 54 |
| 2017 | 60 |
| 2018 | 58 |
| 2019 | 68 |
| 2020 | 64 |
| 2021 | 76 |
| 2022 | 61 |
| 2023 | 70 |
| 2024 | 17 |