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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1968 | 1 |
| 1980 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 2 |
| 1995 | 2 |
| 1998 | 6 |
| 1999 | 7 |
| 2000 | 4 |
| 2001 | 9 |
| 2002 | 17 |
| 2003 | 18 |
| 2004 | 16 |
| 2005 | 20 |
| 2006 | 25 |
| 2007 | 35 |
| 2008 | 40 |
| 2009 | 53 |
| 2010 | 67 |
| 2011 | 72 |
| 2012 | 91 |
| 2013 | 113 |
| 2014 | 92 |
| 2015 | 130 |
| 2016 | 130 |
| 2017 | 128 |
| 2018 | 174 |
| 2019 | 185 |
| 2020 | 192 |
| 2021 | 248 |
| 2022 | 241 |
| 2023 | 247 |
| 2024 | 85 |