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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 8 |
| 1976 | 21 |
| 1977 | 23 |
| 1978 | 32 |
| 1979 | 54 |
| 1980 | 63 |
| 1981 | 90 |
| 1982 | 83 |
| 1983 | 73 |
| 1984 | 84 |
| 1985 | 91 |
| 1986 | 74 |
| 1987 | 88 |
| 1988 | 96 |
| 1989 | 94 |
| 1990 | 91 |
| 1991 | 92 |
| 1992 | 108 |
| 1993 | 85 |
| 1994 | 96 |
| 1995 | 90 |
| 1996 | 103 |
| 1997 | 87 |
| 1998 | 76 |
| 1999 | 117 |
| 2000 | 138 |
| 2001 | 128 |
| 2002 | 121 |
| 2003 | 148 |
| 2004 | 141 |
| 2005 | 186 |
| 2006 | 188 |
| 2007 | 213 |
| 2008 | 200 |
| 2009 | 225 |
| 2010 | 225 |
| 2011 | 260 |
| 2012 | 254 |
| 2013 | 240 |
| 2014 | 251 |
| 2015 | 210 |
| 2016 | 221 |
| 2017 | 242 |
| 2018 | 210 |
| 2019 | 174 |
| 2020 | 194 |
| 2021 | 192 |
| 2022 | 97 |
| 2023 | 64 |
| 2024 | 37 |