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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 3 |
| 1982 | 4 |
| 1983 | 5 |
| 1984 | 11 |
| 1985 | 5 |
| 1986 | 11 |
| 1987 | 12 |
| 1988 | 7 |
| 1989 | 18 |
| 1990 | 11 |
| 1991 | 20 |
| 1992 | 16 |
| 1993 | 19 |
| 1994 | 26 |
| 1995 | 35 |
| 1996 | 25 |
| 1997 | 27 |
| 1998 | 52 |
| 1999 | 60 |
| 2000 | 51 |
| 2001 | 66 |
| 2002 | 55 |
| 2003 | 76 |
| 2004 | 100 |
| 2005 | 110 |
| 2006 | 136 |
| 2007 | 119 |
| 2008 | 158 |
| 2009 | 166 |
| 2010 | 183 |
| 2011 | 222 |
| 2012 | 261 |
| 2013 | 343 |
| 2014 | 399 |
| 2015 | 418 |
| 2016 | 402 |
| 2017 | 460 |
| 2018 | 584 |
| 2019 | 676 |
| 2020 | 807 |
| 2021 | 859 |
| 2022 | 973 |
| 2023 | 980 |
| 2024 | 495 |