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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 8 |
| 2002 | 5 |
| 2003 | 5 |
| 2004 | 10 |
| 2005 | 15 |
| 2006 | 16 |
| 2007 | 22 |
| 2008 | 21 |
| 2009 | 28 |
| 2010 | 26 |
| 2011 | 33 |
| 2012 | 36 |
| 2013 | 38 |
| 2014 | 53 |
| 2015 | 52 |
| 2016 | 58 |
| 2017 | 69 |
| 2018 | 72 |
| 2019 | 77 |
| 2020 | 89 |
| 2021 | 64 |
| 2022 | 67 |
| 2023 | 4 |