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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 13 |
| 1981 | 13 |
| 1982 | 17 |
| 1983 | 18 |
| 1984 | 18 |
| 1985 | 35 |
| 1986 | 29 |
| 1987 | 28 |
| 1988 | 30 |
| 1989 | 43 |
| 1990 | 40 |
| 1991 | 34 |
| 1992 | 39 |
| 1993 | 44 |
| 1994 | 55 |
| 1995 | 47 |
| 1996 | 46 |
| 1997 | 56 |
| 1998 | 62 |
| 1999 | 65 |
| 2000 | 71 |
| 2001 | 78 |
| 2002 | 86 |
| 2003 | 141 |
| 2004 | 108 |
| 2005 | 115 |
| 2006 | 111 |
| 2007 | 122 |
| 2008 | 130 |
| 2009 | 132 |
| 2010 | 171 |
| 2011 | 175 |
| 2012 | 229 |
| 2013 | 192 |
| 2014 | 205 |
| 2015 | 216 |
| 2016 | 158 |
| 2017 | 166 |
| 2018 | 226 |
| 2019 | 186 |
| 2020 | 168 |
| 2021 | 95 |
| 2022 | 59 |
| 2023 | 36 |
| 2024 | 12 |