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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 7 |
| 1981 | 6 |
| 1982 | 4 |
| 1983 | 4 |
| 1984 | 7 |
| 1985 | 6 |
| 1986 | 9 |
| 1987 | 9 |
| 1988 | 12 |
| 1989 | 11 |
| 1990 | 9 |
| 1991 | 21 |
| 1992 | 8 |
| 1993 | 10 |
| 1994 | 8 |
| 1995 | 12 |
| 1996 | 27 |
| 1997 | 32 |
| 1998 | 25 |
| 1999 | 47 |
| 2000 | 40 |
| 2001 | 39 |
| 2002 | 63 |
| 2003 | 36 |
| 2004 | 50 |
| 2005 | 80 |
| 2006 | 96 |
| 2007 | 87 |
| 2008 | 110 |
| 2009 | 119 |
| 2010 | 124 |
| 2011 | 163 |
| 2012 | 197 |
| 2013 | 211 |
| 2014 | 223 |
| 2015 | 250 |
| 2016 | 274 |
| 2017 | 277 |
| 2018 | 326 |
| 2019 | 317 |
| 2020 | 377 |
| 2021 | 432 |
| 2022 | 511 |
| 2023 | 538 |
| 2024 | 641 |
| 2025 | 456 |