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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1979 | 9 |
| 1980 | 21 |
| 1981 | 24 |
| 1982 | 38 |
| 1983 | 55 |
| 1984 | 65 |
| 1985 | 87 |
| 1986 | 110 |
| 1987 | 118 |
| 1988 | 75 |
| 1989 | 120 |
| 1990 | 90 |
| 1991 | 120 |
| 1992 | 159 |
| 1993 | 148 |
| 1994 | 138 |
| 1995 | 171 |
| 1996 | 201 |
| 1997 | 148 |
| 1998 | 193 |
| 1999 | 171 |
| 2000 | 117 |
| 2001 | 149 |
| 2002 | 187 |
| 2003 | 115 |
| 2004 | 144 |
| 2005 | 255 |
| 2006 | 247 |
| 2007 | 259 |
| 2008 | 375 |
| 2009 | 353 |
| 2010 | 318 |
| 2011 | 355 |
| 2012 | 331 |
| 2013 | 246 |
| 2014 | 193 |
| 2015 | 173 |
| 2016 | 167 |
| 2017 | 122 |
| 2018 | 160 |
| 2019 | 129 |
| 2020 | 113 |
| 2021 | 127 |
| 2022 | 90 |
| 2023 | 25 |