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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1973 | 1 |
| 1974 | 18 |
| 1975 | 31 |
| 1976 | 38 |
| 1977 | 32 |
| 1978 | 38 |
| 1979 | 57 |
| 1980 | 40 |
| 1981 | 41 |
| 1982 | 42 |
| 1983 | 58 |
| 1984 | 57 |
| 1985 | 76 |
| 1986 | 79 |
| 1987 | 110 |
| 1988 | 84 |
| 1989 | 86 |
| 1990 | 91 |
| 1991 | 101 |
| 1992 | 128 |
| 1993 | 113 |
| 1994 | 93 |
| 1995 | 106 |
| 1996 | 103 |
| 1997 | 101 |
| 1998 | 117 |
| 1999 | 111 |
| 2000 | 128 |
| 2001 | 126 |
| 2002 | 105 |
| 2003 | 91 |
| 2004 | 99 |
| 2005 | 112 |
| 2006 | 130 |
| 2007 | 150 |
| 2008 | 169 |
| 2009 | 176 |
| 2010 | 167 |
| 2011 | 139 |
| 2012 | 178 |
| 2013 | 152 |
| 2014 | 133 |
| 2015 | 137 |
| 2016 | 111 |
| 2017 | 116 |
| 2018 | 101 |
| 2019 | 96 |
| 2020 | 64 |
| 2021 | 43 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 7 |