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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1966 | 1 |
| 1976 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 3 |
| 1991 | 3 |
| 1992 | 3 |
| 1994 | 3 |
| 1995 | 5 |
| 1996 | 12 |
| 1997 | 14 |
| 1998 | 11 |
| 1999 | 24 |
| 2000 | 15 |
| 2001 | 31 |
| 2002 | 29 |
| 2003 | 28 |
| 2004 | 51 |
| 2005 | 46 |
| 2006 | 34 |
| 2007 | 41 |
| 2008 | 40 |
| 2009 | 35 |
| 2010 | 51 |
| 2011 | 62 |
| 2012 | 66 |
| 2013 | 65 |
| 2014 | 78 |
| 2015 | 89 |
| 2016 | 72 |
| 2017 | 63 |
| 2018 | 74 |
| 2019 | 85 |
| 2020 | 117 |
| 2021 | 130 |
| 2022 | 117 |
| 2023 | 100 |
| 2024 | 54 |