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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 2 |
| 1969 | 3 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1984 | 1 |
| 1987 | 3 |
| 1988 | 1 |
| 1989 | 4 |
| 1990 | 1 |
| 1991 | 3 |
| 1992 | 2 |
| 1993 | 5 |
| 1994 | 5 |
| 1995 | 5 |
| 1996 | 16 |
| 1997 | 11 |
| 1998 | 14 |
| 1999 | 27 |
| 2000 | 26 |
| 2001 | 23 |
| 2002 | 39 |
| 2003 | 50 |
| 2004 | 88 |
| 2005 | 88 |
| 2006 | 98 |
| 2007 | 112 |
| 2008 | 134 |
| 2009 | 116 |
| 2010 | 116 |
| 2011 | 151 |
| 2012 | 168 |
| 2013 | 234 |
| 2014 | 265 |
| 2015 | 276 |
| 2016 | 254 |
| 2017 | 196 |
| 2018 | 184 |
| 2019 | 204 |
| 2020 | 232 |
| 2021 | 287 |
| 2022 | 307 |
| 2023 | 308 |
| 2024 | 295 |
| 2025 | 1 |