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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1973 | 1 |
| 1976 | 32 |
| 1977 | 98 |
| 1978 | 126 |
| 1979 | 74 |
| 1980 | 94 |
| 1981 | 68 |
| 1982 | 67 |
| 1983 | 81 |
| 1984 | 95 |
| 1985 | 102 |
| 1986 | 85 |
| 1987 | 98 |
| 1988 | 96 |
| 1989 | 103 |
| 1990 | 154 |
| 1991 | 124 |
| 1992 | 140 |
| 1993 | 163 |
| 1994 | 179 |
| 1995 | 171 |
| 1996 | 107 |
| 1997 | 120 |
| 1998 | 111 |
| 1999 | 135 |
| 2000 | 132 |
| 2001 | 136 |
| 2002 | 136 |
| 2003 | 162 |
| 2004 | 179 |
| 2005 | 202 |
| 2006 | 200 |
| 2007 | 205 |
| 2008 | 221 |
| 2009 | 221 |
| 2010 | 204 |
| 2011 | 213 |
| 2012 | 139 |
| 2013 | 143 |
| 2014 | 145 |
| 2015 | 119 |
| 2016 | 74 |
| 2017 | 67 |
| 2018 | 46 |
| 2019 | 69 |
| 2020 | 59 |
| 2021 | 65 |
| 2022 | 41 |
| 2023 | 35 |
| 2024 | 16 |