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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1979 | 1 |
| 1980 | 6 |
| 1981 | 9 |
| 1982 | 9 |
| 1983 | 10 |
| 1984 | 23 |
| 1985 | 26 |
| 1986 | 25 |
| 1987 | 22 |
| 1988 | 27 |
| 1989 | 44 |
| 1990 | 42 |
| 1991 | 34 |
| 1992 | 45 |
| 1993 | 70 |
| 1994 | 80 |
| 1995 | 88 |
| 1996 | 84 |
| 1997 | 116 |
| 1998 | 178 |
| 1999 | 163 |
| 2000 | 193 |
| 2001 | 216 |
| 2002 | 276 |
| 2003 | 363 |
| 2004 | 425 |
| 2005 | 526 |
| 2006 | 586 |
| 2007 | 656 |
| 2008 | 831 |
| 2009 | 896 |
| 2010 | 1082 |
| 2011 | 1317 |
| 2012 | 1574 |
| 2013 | 2012 |
| 2014 | 2279 |
| 2015 | 2750 |
| 2016 | 2941 |
| 2017 | 3338 |
| 2018 | 3977 |
| 2019 | 4694 |
| 2020 | 5598 |
| 2021 | 6725 |
| 2022 | 7878 |
| 2023 | 2167 |