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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 8 |
| 1996 | 2 |
| 1997 | 8 |
| 1998 | 8 |
| 1999 | 2 |
| 2000 | 7 |
| 2001 | 7 |
| 2002 | 10 |
| 2003 | 7 |
| 2004 | 21 |
| 2005 | 22 |
| 2006 | 24 |
| 2007 | 22 |
| 2008 | 27 |
| 2009 | 35 |
| 2010 | 52 |
| 2011 | 62 |
| 2012 | 66 |
| 2013 | 86 |
| 2014 | 94 |
| 2015 | 114 |
| 2016 | 128 |
| 2017 | 130 |
| 2018 | 137 |
| 2019 | 163 |
| 2020 | 222 |
| 2021 | 239 |
| 2022 | 277 |
| 2023 | 37 |