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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 133 |
| 1978 | 139 |
| 1979 | 123 |
| 1980 | 146 |
| 1981 | 135 |
| 1982 | 143 |
| 1983 | 144 |
| 1984 | 134 |
| 1985 | 141 |
| 1986 | 155 |
| 1987 | 143 |
| 1988 | 144 |
| 1989 | 141 |
| 1990 | 145 |
| 1991 | 148 |
| 1992 | 120 |
| 1993 | 130 |
| 1994 | 119 |
| 1995 | 123 |
| 1996 | 143 |
| 1997 | 143 |
| 1998 | 119 |
| 1999 | 111 |
| 2000 | 104 |
| 2001 | 135 |
| 2002 | 126 |
| 2003 | 126 |
| 2004 | 141 |
| 2005 | 128 |
| 2006 | 123 |
| 2007 | 135 |
| 2008 | 133 |
| 2009 | 115 |
| 2010 | 110 |
| 2011 | 94 |
| 2012 | 93 |
| 2013 | 105 |
| 2014 | 100 |
| 2015 | 113 |
| 2016 | 91 |
| 2017 | 32 |
| 2023 | 0 |