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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 32 |
| 1974 | 33 |
| 1975 | 25 |
| 1976 | 41 |
| 1977 | 35 |
| 1978 | 39 |
| 1979 | 41 |
| 1980 | 42 |
| 1981 | 37 |
| 1982 | 53 |
| 1983 | 60 |
| 1984 | 69 |
| 1985 | 120 |
| 1986 | 70 |
| 1987 | 81 |
| 1988 | 85 |
| 1989 | 112 |
| 1990 | 123 |
| 1991 | 100 |
| 1992 | 102 |
| 1993 | 93 |
| 1994 | 95 |
| 1995 | 104 |
| 1996 | 95 |
| 1997 | 91 |
| 1998 | 113 |
| 1999 | 107 |
| 2000 | 82 |
| 2001 | 85 |
| 2002 | 94 |
| 2003 | 109 |
| 2004 | 100 |
| 2005 | 96 |
| 2006 | 101 |
| 2007 | 109 |
| 2008 | 122 |
| 2009 | 126 |
| 2010 | 129 |
| 2011 | 122 |
| 2012 | 118 |
| 2013 | 131 |
| 2014 | 126 |
| 2015 | 111 |
| 2016 | 127 |
| 2017 | 136 |
| 2018 | 138 |
| 2019 | 107 |
| 2020 | 101 |
| 2024 | 0 |