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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1979 | 4 |
| 1980 | 8 |
| 1981 | 2 |
| 1982 | 15 |
| 1983 | 9 |
| 1984 | 12 |
| 1985 | 27 |
| 1986 | 15 |
| 1987 | 15 |
| 1988 | 15 |
| 1989 | 24 |
| 1990 | 18 |
| 1991 | 41 |
| 1992 | 34 |
| 1993 | 58 |
| 1994 | 49 |
| 1995 | 47 |
| 1996 | 62 |
| 1997 | 87 |
| 1998 | 74 |
| 1999 | 115 |
| 2000 | 129 |
| 2001 | 125 |
| 2002 | 195 |
| 2003 | 251 |
| 2004 | 267 |
| 2005 | 392 |
| 2006 | 425 |
| 2007 | 470 |
| 2008 | 630 |
| 2009 | 726 |
| 2010 | 838 |
| 2011 | 1031 |
| 2012 | 1249 |
| 2013 | 1479 |
| 2014 | 1731 |
| 2015 | 1881 |
| 2016 | 2077 |
| 2017 | 2327 |
| 2018 | 2773 |
| 2019 | 3181 |
| 2020 | 3801 |
| 2021 | 4402 |
| 2022 | 5152 |
| 2023 | 2259 |