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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 21 |
| 1976 | 33 |
| 1977 | 32 |
| 1978 | 28 |
| 1979 | 13 |
| 1980 | 15 |
| 1981 | 15 |
| 1982 | 30 |
| 1983 | 13 |
| 1984 | 30 |
| 1985 | 13 |
| 1986 | 16 |
| 1987 | 9 |
| 1988 | 26 |
| 1989 | 23 |
| 1990 | 19 |
| 1991 | 21 |
| 1992 | 52 |
| 1993 | 19 |
| 1994 | 12 |
| 1995 | 19 |
| 1996 | 31 |
| 1997 | 4 |
| 1998 | 18 |
| 1999 | 10 |
| 2000 | 123 |
| 2001 | 137 |
| 2002 | 98 |
| 2003 | 171 |
| 2004 | 138 |
| 2005 | 138 |
| 2006 | 180 |
| 2007 | 241 |
| 2008 | 322 |
| 2009 | 232 |
| 2010 | 236 |
| 2011 | 255 |
| 2012 | 196 |
| 2013 | 268 |
| 2014 | 223 |
| 2015 | 273 |
| 2016 | 234 |
| 2017 | 310 |
| 2018 | 277 |
| 2019 | 241 |
| 2020 | 201 |
| 2021 | 180 |
| 2022 | 136 |
| 2023 | 173 |
| 2024 | 69 |