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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1965 | 1 |
| 1976 | 1 |
| 1979 | 5 |
| 1980 | 6 |
| 1981 | 15 |
| 1982 | 14 |
| 1983 | 21 |
| 1984 | 25 |
| 1985 | 33 |
| 1986 | 35 |
| 1987 | 41 |
| 1988 | 64 |
| 1989 | 57 |
| 1990 | 79 |
| 1991 | 73 |
| 1992 | 117 |
| 1993 | 130 |
| 1994 | 157 |
| 1995 | 164 |
| 1996 | 211 |
| 1997 | 243 |
| 1998 | 252 |
| 1999 | 314 |
| 2000 | 388 |
| 2001 | 462 |
| 2002 | 583 |
| 2003 | 773 |
| 2004 | 961 |
| 2005 | 1195 |
| 2006 | 1448 |
| 2007 | 1769 |
| 2008 | 2171 |
| 2009 | 2405 |
| 2010 | 2803 |
| 2011 | 3336 |
| 2012 | 3877 |
| 2013 | 4626 |
| 2014 | 5388 |
| 2015 | 6124 |
| 2016 | 6638 |
| 2017 | 7246 |
| 2018 | 8237 |
| 2019 | 9591 |
| 2020 | 11382 |
| 2021 | 13078 |
| 2022 | 15336 |
| 2023 | 15022 |
| 2024 | 11702 |
| 2025 | 10 |