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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1979 | 3 |
| 1980 | 3 |
| 1981 | 6 |
| 1982 | 4 |
| 1983 | 8 |
| 1984 | 10 |
| 1985 | 12 |
| 1986 | 10 |
| 1987 | 7 |
| 1988 | 23 |
| 1989 | 22 |
| 1990 | 31 |
| 1991 | 44 |
| 1992 | 42 |
| 1993 | 54 |
| 1994 | 51 |
| 1995 | 55 |
| 1996 | 60 |
| 1997 | 73 |
| 1998 | 73 |
| 1999 | 75 |
| 2000 | 103 |
| 2001 | 116 |
| 2002 | 167 |
| 2003 | 186 |
| 2004 | 263 |
| 2005 | 363 |
| 2006 | 438 |
| 2007 | 496 |
| 2008 | 554 |
| 2009 | 647 |
| 2010 | 741 |
| 2011 | 908 |
| 2012 | 1082 |
| 2013 | 1278 |
| 2014 | 1564 |
| 2015 | 1749 |
| 2016 | 1770 |
| 2017 | 2099 |
| 2018 | 2424 |
| 2019 | 2841 |
| 2020 | 3588 |
| 2021 | 4213 |
| 2022 | 5145 |
| 2023 | 553 |