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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 3 |
| 1990 | 6 |
| 1991 | 10 |
| 1992 | 15 |
| 1993 | 16 |
| 1994 | 20 |
| 1995 | 13 |
| 1996 | 20 |
| 1997 | 25 |
| 1998 | 27 |
| 1999 | 36 |
| 2000 | 26 |
| 2001 | 55 |
| 2002 | 64 |
| 2003 | 88 |
| 2004 | 80 |
| 2005 | 78 |
| 2006 | 141 |
| 2007 | 146 |
| 2008 | 131 |
| 2009 | 130 |
| 2010 | 130 |
| 2011 | 163 |
| 2012 | 179 |
| 2013 | 177 |
| 2014 | 213 |
| 2015 | 214 |
| 2016 | 180 |
| 2017 | 157 |
| 2018 | 232 |
| 2019 | 208 |
| 2020 | 179 |
| 2021 | 133 |
| 2022 | 49 |
| 2023 | 35 |
| 2024 | 19 |