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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 1 |
| 1979 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1993 | 2 |
| 1994 | 4 |
| 1998 | 7 |
| 1999 | 3 |
| 2000 | 10 |
| 2001 | 12 |
| 2002 | 12 |
| 2003 | 16 |
| 2004 | 21 |
| 2005 | 19 |
| 2006 | 13 |
| 2007 | 18 |
| 2008 | 38 |
| 2009 | 42 |
| 2010 | 55 |
| 2011 | 58 |
| 2012 | 68 |
| 2013 | 99 |
| 2014 | 110 |
| 2015 | 111 |
| 2016 | 129 |
| 2017 | 115 |
| 2018 | 89 |
| 2019 | 95 |
| 2020 | 105 |
| 2021 | 95 |
| 2022 | 90 |
| 2023 | 34 |