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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1979 | 7 |
| 1980 | 9 |
| 1981 | 11 |
| 1982 | 22 |
| 1983 | 20 |
| 1984 | 26 |
| 1985 | 41 |
| 1986 | 48 |
| 1987 | 39 |
| 1988 | 46 |
| 1989 | 63 |
| 1990 | 72 |
| 1991 | 65 |
| 1992 | 84 |
| 1993 | 100 |
| 1994 | 125 |
| 1995 | 158 |
| 1996 | 170 |
| 1997 | 172 |
| 1998 | 188 |
| 1999 | 209 |
| 2000 | 280 |
| 2001 | 342 |
| 2002 | 443 |
| 2003 | 508 |
| 2004 | 668 |
| 2005 | 898 |
| 2006 | 966 |
| 2007 | 1074 |
| 2008 | 1315 |
| 2009 | 1504 |
| 2010 | 1754 |
| 2011 | 2217 |
| 2012 | 2619 |
| 2013 | 3104 |
| 2014 | 3598 |
| 2015 | 4116 |
| 2016 | 4492 |
| 2017 | 4946 |
| 2018 | 5540 |
| 2019 | 6341 |
| 2020 | 7840 |
| 2021 | 9007 |
| 2022 | 11001 |
| 2023 | 3078 |