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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 1 |
| 1979 | 7 |
| 1980 | 11 |
| 1981 | 13 |
| 1982 | 16 |
| 1983 | 24 |
| 1984 | 14 |
| 1985 | 15 |
| 1986 | 14 |
| 1987 | 25 |
| 1988 | 30 |
| 1989 | 38 |
| 1990 | 45 |
| 1991 | 34 |
| 1992 | 33 |
| 1993 | 40 |
| 1994 | 44 |
| 1995 | 63 |
| 1996 | 54 |
| 1997 | 54 |
| 1998 | 71 |
| 1999 | 65 |
| 2000 | 43 |
| 2001 | 77 |
| 2002 | 86 |
| 2003 | 166 |
| 2004 | 171 |
| 2005 | 217 |
| 2006 | 210 |
| 2007 | 195 |
| 2008 | 222 |
| 2009 | 290 |
| 2010 | 251 |
| 2011 | 270 |
| 2012 | 317 |
| 2013 | 300 |
| 2014 | 307 |
| 2015 | 287 |
| 2016 | 256 |
| 2017 | 225 |
| 2018 | 166 |
| 2019 | 135 |
| 2020 | 129 |
| 2021 | 100 |
| 2022 | 18 |
| 2023 | 19 |
| 2024 | 5 |