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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 1 |
| 1979 | 1 |
| 1982 | 2 |
| 1983 | 2 |
| 1986 | 3 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 3 |
| 1990 | 2 |
| 1991 | 6 |
| 1992 | 8 |
| 1993 | 17 |
| 1994 | 52 |
| 1995 | 65 |
| 1996 | 63 |
| 1997 | 64 |
| 1998 | 93 |
| 1999 | 104 |
| 2000 | 128 |
| 2001 | 126 |
| 2002 | 106 |
| 2003 | 139 |
| 2004 | 124 |
| 2005 | 136 |
| 2006 | 152 |
| 2007 | 142 |
| 2008 | 176 |
| 2009 | 168 |
| 2010 | 154 |
| 2011 | 170 |
| 2012 | 209 |
| 2013 | 218 |
| 2014 | 180 |
| 2015 | 195 |
| 2016 | 164 |
| 2017 | 168 |
| 2018 | 139 |
| 2019 | 135 |
| 2020 | 152 |
| 2021 | 124 |
| 2022 | 68 |
| 2023 | 50 |
| 2024 | 14 |