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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 2 |
| 1975 | 9 |
| 1976 | 6 |
| 1977 | 13 |
| 1978 | 19 |
| 1979 | 23 |
| 1980 | 48 |
| 1981 | 41 |
| 1982 | 31 |
| 1983 | 31 |
| 1984 | 49 |
| 1985 | 55 |
| 1986 | 66 |
| 1987 | 33 |
| 1988 | 45 |
| 1989 | 56 |
| 1990 | 72 |
| 1991 | 72 |
| 1992 | 72 |
| 1993 | 59 |
| 1994 | 68 |
| 1995 | 68 |
| 1996 | 51 |
| 1997 | 75 |
| 1998 | 82 |
| 1999 | 77 |
| 2000 | 63 |
| 2001 | 132 |
| 2002 | 79 |
| 2003 | 79 |
| 2004 | 92 |
| 2005 | 90 |
| 2006 | 117 |
| 2007 | 116 |
| 2008 | 117 |
| 2009 | 144 |
| 2010 | 145 |
| 2011 | 149 |
| 2012 | 183 |
| 2013 | 219 |
| 2014 | 229 |
| 2015 | 256 |
| 2016 | 210 |
| 2017 | 212 |
| 2018 | 235 |
| 2019 | 222 |
| 2020 | 180 |
| 2021 | 96 |
| 2022 | 92 |
| 2023 | 100 |
| 2024 | 80 |