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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 20 |
| 1979 | 15 |
| 1980 | 12 |
| 1981 | 26 |
| 1982 | 25 |
| 1983 | 16 |
| 1984 | 23 |
| 1985 | 21 |
| 1986 | 22 |
| 1988 | 33 |
| 1989 | 22 |
| 1990 | 29 |
| 1991 | 29 |
| 1992 | 32 |
| 1993 | 31 |
| 1994 | 42 |
| 1995 | 41 |
| 1996 | 44 |
| 1997 | 39 |
| 1998 | 37 |
| 1999 | 39 |
| 2000 | 51 |
| 2001 | 56 |
| 2002 | 53 |
| 2003 | 51 |
| 2004 | 53 |
| 2005 | 66 |
| 2006 | 67 |
| 2007 | 107 |
| 2008 | 102 |
| 2009 | 135 |
| 2010 | 130 |
| 2011 | 118 |
| 2012 | 129 |
| 2013 | 132 |
| 2014 | 146 |
| 2015 | 146 |
| 2016 | 182 |
| 2017 | 183 |
| 2018 | 185 |
| 2019 | 201 |
| 2020 | 241 |
| 2021 | 212 |
| 2022 | 171 |
| 2023 | 161 |
| 2024 | 75 |