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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1977 | 1 |
| 1980 | 2 |
| 1981 | 3 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 3 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 4 |
| 1990 | 14 |
| 1991 | 21 |
| 1992 | 22 |
| 1993 | 18 |
| 1994 | 25 |
| 1995 | 22 |
| 1996 | 19 |
| 1997 | 19 |
| 1998 | 40 |
| 1999 | 41 |
| 2000 | 40 |
| 2001 | 46 |
| 2002 | 41 |
| 2003 | 61 |
| 2004 | 96 |
| 2005 | 86 |
| 2006 | 126 |
| 2007 | 117 |
| 2008 | 97 |
| 2009 | 139 |
| 2010 | 156 |
| 2011 | 164 |
| 2012 | 182 |
| 2013 | 173 |
| 2014 | 181 |
| 2015 | 186 |
| 2016 | 158 |
| 2017 | 204 |
| 2018 | 248 |
| 2019 | 252 |
| 2020 | 402 |
| 2021 | 391 |
| 2022 | 312 |
| 2023 | 219 |
| 2024 | 357 |
| 2025 | 187 |