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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 27 |
| 1976 | 19 |
| 1977 | 60 |
| 1978 | 97 |
| 1979 | 55 |
| 1980 | 122 |
| 1981 | 65 |
| 1982 | 139 |
| 1983 | 30 |
| 1984 | 252 |
| 1985 | 140 |
| 1986 | 82 |
| 1987 | 203 |
| 1988 | 243 |
| 1989 | 214 |
| 1990 | 265 |
| 1991 | 289 |
| 1992 | 91 |
| 1993 | 126 |
| 1994 | 124 |
| 1995 | 138 |
| 1996 | 81 |
| 1997 | 88 |
| 1998 | 25 |
| 1999 | 78 |
| 2000 | 16 |
| 2001 | 137 |
| 2002 | 56 |
| 2003 | 65 |
| 2004 | 110 |
| 2005 | 75 |
| 2006 | 74 |
| 2007 | 140 |
| 2008 | 73 |
| 2009 | 57 |
| 2010 | 119 |
| 2011 | 205 |
| 2012 | 78 |
| 2013 | 59 |
| 2015 | 50 |
| 2016 | 64 |
| 2017 | 71 |
| 2018 | 98 |
| 2019 | 34 |
| 2021 | 29 |
| 2023 | 30 |
| 2024 | 0 |