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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 1 |
| 1986 | 1 |
| 1987 | 12 |
| 1988 | 30 |
| 1989 | 39 |
| 1990 | 63 |
| 1991 | 36 |
| 1992 | 44 |
| 1993 | 43 |
| 1994 | 43 |
| 1995 | 47 |
| 1996 | 58 |
| 1997 | 76 |
| 1998 | 87 |
| 1999 | 111 |
| 2000 | 100 |
| 2001 | 134 |
| 2002 | 159 |
| 2003 | 211 |
| 2004 | 227 |
| 2005 | 189 |
| 2006 | 224 |
| 2007 | 248 |
| 2008 | 229 |
| 2009 | 223 |
| 2010 | 175 |
| 2011 | 183 |
| 2012 | 217 |
| 2013 | 208 |
| 2014 | 240 |
| 2015 | 256 |
| 2016 | 248 |
| 2017 | 190 |
| 2018 | 177 |
| 2019 | 128 |
| 2020 | 99 |
| 2021 | 87 |
| 2022 | 12 |
| 2024 | 0 |