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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1975 | 1 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 2 |
| 1983 | 2 |
| 1987 | 1 |
| 1988 | 2 |
| 1990 | 1 |
| 1991 | 2 |
| 1993 | 4 |
| 1994 | 8 |
| 1995 | 5 |
| 1996 | 13 |
| 1997 | 12 |
| 1998 | 10 |
| 1999 | 9 |
| 2000 | 19 |
| 2001 | 24 |
| 2002 | 20 |
| 2003 | 30 |
| 2004 | 32 |
| 2005 | 47 |
| 2006 | 69 |
| 2007 | 86 |
| 2008 | 111 |
| 2009 | 134 |
| 2010 | 151 |
| 2011 | 166 |
| 2012 | 176 |
| 2013 | 210 |
| 2014 | 267 |
| 2015 | 275 |
| 2016 | 306 |
| 2017 | 288 |
| 2018 | 266 |
| 2019 | 303 |
| 2020 | 324 |
| 2021 | 366 |
| 2022 | 347 |
| 2023 | 364 |
| 2024 | 144 |