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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 3 |
| 1977 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 3 |
| 1984 | 7 |
| 1985 | 7 |
| 1986 | 8 |
| 1987 | 6 |
| 1988 | 18 |
| 1989 | 17 |
| 1990 | 16 |
| 1991 | 19 |
| 1992 | 20 |
| 1993 | 25 |
| 1994 | 31 |
| 1995 | 31 |
| 1996 | 24 |
| 1997 | 25 |
| 1998 | 31 |
| 1999 | 33 |
| 2000 | 31 |
| 2001 | 50 |
| 2002 | 49 |
| 2003 | 86 |
| 2004 | 184 |
| 2005 | 235 |
| 2006 | 183 |
| 2007 | 240 |
| 2008 | 253 |
| 2009 | 187 |
| 2010 | 194 |
| 2011 | 278 |
| 2012 | 240 |
| 2013 | 223 |
| 2014 | 246 |
| 2015 | 248 |
| 2016 | 196 |
| 2017 | 187 |
| 2018 | 167 |
| 2019 | 178 |
| 2020 | 164 |
| 2021 | 144 |
| 2022 | 125 |
| 2023 | 82 |
| 2024 | 20 |