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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 11 |
| 1981 | 12 |
| 1982 | 38 |
| 1983 | 34 |
| 1984 | 35 |
| 1985 | 41 |
| 1986 | 36 |
| 1987 | 52 |
| 1988 | 48 |
| 1989 | 44 |
| 1990 | 88 |
| 1991 | 48 |
| 1992 | 64 |
| 1993 | 110 |
| 1994 | 111 |
| 1995 | 154 |
| 1996 | 170 |
| 1997 | 263 |
| 1998 | 231 |
| 1999 | 275 |
| 2000 | 354 |
| 2001 | 331 |
| 2002 | 361 |
| 2003 | 330 |
| 2004 | 345 |
| 2005 | 451 |
| 2006 | 486 |
| 2007 | 561 |
| 2008 | 640 |
| 2009 | 728 |
| 2010 | 789 |
| 2011 | 823 |
| 2012 | 732 |
| 2013 | 768 |
| 2014 | 747 |
| 2015 | 755 |
| 2016 | 572 |
| 2017 | 474 |
| 2018 | 458 |
| 2019 | 490 |
| 2020 | 351 |
| 2021 | 282 |
| 2022 | 59 |
| 2023 | 16 |
| 2024 | 15 |