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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1979 | 6 |
| 1980 | 14 |
| 1981 | 12 |
| 1982 | 15 |
| 1983 | 34 |
| 1984 | 19 |
| 1985 | 38 |
| 1986 | 43 |
| 1987 | 42 |
| 1988 | 50 |
| 1989 | 46 |
| 1990 | 76 |
| 1991 | 92 |
| 1992 | 112 |
| 1993 | 134 |
| 1994 | 155 |
| 1995 | 211 |
| 1996 | 213 |
| 1997 | 264 |
| 1998 | 285 |
| 1999 | 334 |
| 2000 | 430 |
| 2001 | 467 |
| 2002 | 587 |
| 2003 | 753 |
| 2004 | 871 |
| 2005 | 1146 |
| 2006 | 1378 |
| 2007 | 1570 |
| 2008 | 1957 |
| 2009 | 2408 |
| 2010 | 2906 |
| 2011 | 3346 |
| 2012 | 3957 |
| 2013 | 4691 |
| 2014 | 5682 |
| 2015 | 6443 |
| 2016 | 6921 |
| 2017 | 7639 |
| 2018 | 8619 |
| 2019 | 10014 |
| 2020 | 12037 |
| 2021 | 13754 |
| 2022 | 16492 |
| 2023 | 7868 |