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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 7 |
| 1978 | 13 |
| 1979 | 10 |
| 1980 | 9 |
| 1981 | 18 |
| 1982 | 18 |
| 1983 | 18 |
| 1984 | 12 |
| 1985 | 11 |
| 1986 | 9 |
| 1987 | 15 |
| 1988 | 3 |
| 1989 | 5 |
| 1990 | 15 |
| 1991 | 11 |
| 1992 | 8 |
| 1993 | 22 |
| 1994 | 13 |
| 1995 | 29 |
| 1996 | 21 |
| 1997 | 32 |
| 1998 | 18 |
| 1999 | 21 |
| 2000 | 70 |
| 2001 | 45 |
| 2002 | 55 |
| 2003 | 66 |
| 2004 | 93 |
| 2005 | 168 |
| 2006 | 154 |
| 2007 | 150 |
| 2008 | 174 |
| 2009 | 184 |
| 2010 | 160 |
| 2011 | 178 |
| 2012 | 193 |
| 2013 | 153 |
| 2014 | 177 |
| 2015 | 210 |
| 2016 | 195 |
| 2017 | 225 |
| 2018 | 196 |
| 2019 | 187 |
| 2020 | 117 |
| 2021 | 90 |
| 2022 | 205 |
| 2023 | 171 |
| 2024 | 108 |