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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 7 |
| 1982 | 12 |
| 1983 | 14 |
| 1984 | 15 |
| 1985 | 15 |
| 1986 | 25 |
| 1987 | 24 |
| 1988 | 27 |
| 1989 | 36 |
| 1990 | 32 |
| 1991 | 50 |
| 1992 | 53 |
| 1993 | 94 |
| 1994 | 91 |
| 1995 | 114 |
| 1996 | 113 |
| 1997 | 156 |
| 1998 | 154 |
| 1999 | 160 |
| 2000 | 209 |
| 2001 | 228 |
| 2002 | 319 |
| 2003 | 386 |
| 2004 | 510 |
| 2005 | 756 |
| 2006 | 932 |
| 2007 | 1095 |
| 2008 | 1330 |
| 2009 | 1585 |
| 2010 | 1836 |
| 2011 | 2169 |
| 2012 | 2565 |
| 2013 | 3119 |
| 2014 | 3514 |
| 2015 | 4164 |
| 2016 | 4363 |
| 2017 | 4847 |
| 2018 | 5610 |
| 2019 | 6592 |
| 2020 | 7618 |
| 2021 | 8784 |
| 2022 | 10615 |
| 2023 | 4798 |