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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1971 | 1 |
| 1974 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1985 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 7 |
| 1991 | 5 |
| 1992 | 9 |
| 1993 | 6 |
| 1994 | 6 |
| 1995 | 19 |
| 1996 | 19 |
| 1997 | 22 |
| 1998 | 42 |
| 1999 | 37 |
| 2000 | 50 |
| 2001 | 40 |
| 2002 | 49 |
| 2003 | 51 |
| 2004 | 67 |
| 2005 | 79 |
| 2006 | 80 |
| 2007 | 90 |
| 2008 | 105 |
| 2009 | 100 |
| 2010 | 127 |
| 2011 | 138 |
| 2012 | 159 |
| 2013 | 179 |
| 2014 | 178 |
| 2015 | 178 |
| 2016 | 158 |
| 2017 | 179 |
| 2018 | 219 |
| 2019 | 242 |
| 2020 | 238 |
| 2021 | 166 |
| 2022 | 131 |
| 2023 | 108 |
| 2024 | 32 |