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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 1 |
| 1981 | 4 |
| 1982 | 1 |
| 1983 | 39 |
| 1984 | 146 |
| 1985 | 158 |
| 1986 | 199 |
| 1987 | 228 |
| 1988 | 274 |
| 1989 | 253 |
| 1990 | 344 |
| 1991 | 345 |
| 1992 | 309 |
| 1993 | 338 |
| 1994 | 306 |
| 1995 | 262 |
| 1996 | 274 |
| 1997 | 250 |
| 1998 | 207 |
| 1999 | 178 |
| 2000 | 169 |
| 2001 | 160 |
| 2002 | 147 |
| 2003 | 139 |
| 2004 | 105 |
| 2005 | 116 |
| 2006 | 108 |
| 2007 | 94 |
| 2008 | 65 |
| 2009 | 77 |
| 2010 | 70 |
| 2011 | 56 |
| 2012 | 52 |
| 2013 | 43 |
| 2014 | 36 |
| 2015 | 38 |
| 2016 | 22 |
| 2017 | 16 |
| 2018 | 17 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 0 |