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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1971 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1994 | 4 |
| 1995 | 1 |
| 1996 | 4 |
| 1997 | 7 |
| 1998 | 23 |
| 1999 | 27 |
| 2000 | 14 |
| 2001 | 20 |
| 2002 | 13 |
| 2003 | 32 |
| 2004 | 27 |
| 2005 | 55 |
| 2006 | 64 |
| 2007 | 38 |
| 2008 | 35 |
| 2009 | 30 |
| 2010 | 46 |
| 2011 | 50 |
| 2012 | 59 |
| 2013 | 70 |
| 2014 | 66 |
| 2015 | 66 |
| 2016 | 66 |
| 2017 | 70 |
| 2018 | 60 |
| 2019 | 79 |
| 2020 | 64 |
| 2021 | 51 |
| 2022 | 52 |
| 2023 | 47 |
| 2024 | 11 |