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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 3 |
| 1979 | 3 |
| 1980 | 6 |
| 1981 | 12 |
| 1982 | 9 |
| 1983 | 8 |
| 1984 | 8 |
| 1985 | 17 |
| 1986 | 18 |
| 1987 | 18 |
| 1988 | 18 |
| 1989 | 27 |
| 1990 | 28 |
| 1991 | 38 |
| 1992 | 33 |
| 1993 | 46 |
| 1994 | 84 |
| 1995 | 88 |
| 1996 | 82 |
| 1997 | 79 |
| 1998 | 89 |
| 1999 | 127 |
| 2000 | 165 |
| 2001 | 152 |
| 2002 | 192 |
| 2003 | 202 |
| 2004 | 178 |
| 2005 | 212 |
| 2006 | 273 |
| 2007 | 278 |
| 2008 | 279 |
| 2009 | 282 |
| 2010 | 268 |
| 2011 | 261 |
| 2012 | 246 |
| 2013 | 222 |
| 2014 | 243 |
| 2015 | 205 |
| 2016 | 202 |
| 2017 | 182 |
| 2018 | 179 |
| 2019 | 147 |
| 2020 | 138 |
| 2021 | 85 |
| 2022 | 18 |
| 2023 | 9 |
| 2024 | 1 |