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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 31 |
| 1979 | 21 |
| 1980 | 27 |
| 1981 | 28 |
| 1982 | 30 |
| 1983 | 26 |
| 1984 | 30 |
| 1985 | 28 |
| 1986 | 26 |
| 1987 | 26 |
| 1988 | 26 |
| 1989 | 33 |
| 1990 | 31 |
| 1991 | 27 |
| 1992 | 32 |
| 1993 | 30 |
| 1996 | 49 |
| 1997 | 55 |
| 1998 | 65 |
| 1999 | 81 |
| 2000 | 61 |
| 2001 | 56 |
| 2002 | 52 |
| 2003 | 53 |
| 2004 | 56 |
| 2005 | 100 |
| 2006 | 109 |
| 2007 | 105 |
| 2008 | 112 |
| 2009 | 163 |
| 2010 | 184 |
| 2011 | 194 |
| 2012 | 186 |
| 2013 | 151 |
| 2014 | 169 |
| 2015 | 179 |
| 2016 | 171 |
| 2017 | 164 |
| 2018 | 176 |
| 2019 | 151 |
| 2020 | 148 |
| 2021 | 118 |
| 2022 | 128 |
| 2023 | 172 |
| 2024 | 94 |