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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1964 | 1 |
| 1979 | 8 |
| 1980 | 20 |
| 1981 | 25 |
| 1982 | 27 |
| 1983 | 49 |
| 1984 | 43 |
| 1985 | 58 |
| 1986 | 60 |
| 1987 | 71 |
| 1988 | 75 |
| 1989 | 82 |
| 1990 | 93 |
| 1991 | 104 |
| 1992 | 99 |
| 1993 | 153 |
| 1994 | 152 |
| 1995 | 168 |
| 1996 | 236 |
| 1997 | 234 |
| 1998 | 256 |
| 1999 | 267 |
| 2000 | 323 |
| 2001 | 364 |
| 2002 | 489 |
| 2003 | 601 |
| 2004 | 765 |
| 2005 | 984 |
| 2006 | 1116 |
| 2007 | 1230 |
| 2008 | 1597 |
| 2009 | 1915 |
| 2010 | 2159 |
| 2011 | 2570 |
| 2012 | 3040 |
| 2013 | 3612 |
| 2014 | 4247 |
| 2015 | 4986 |
| 2016 | 5212 |
| 2017 | 5844 |
| 2018 | 6941 |
| 2019 | 8353 |
| 2020 | 9882 |
| 2021 | 11526 |
| 2022 | 14271 |
| 2023 | 3942 |