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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 2 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 1 |
| 1981 | 2 |
| 1982 | 2 |
| 1984 | 7 |
| 1985 | 4 |
| 1986 | 4 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 4 |
| 1990 | 5 |
| 1991 | 9 |
| 1992 | 15 |
| 1993 | 16 |
| 1994 | 20 |
| 1995 | 21 |
| 1996 | 19 |
| 1997 | 29 |
| 1998 | 40 |
| 1999 | 44 |
| 2000 | 55 |
| 2001 | 73 |
| 2002 | 88 |
| 2003 | 93 |
| 2004 | 114 |
| 2005 | 112 |
| 2006 | 130 |
| 2007 | 168 |
| 2008 | 175 |
| 2009 | 216 |
| 2010 | 254 |
| 2011 | 282 |
| 2012 | 326 |
| 2013 | 366 |
| 2014 | 370 |
| 2015 | 435 |
| 2016 | 479 |
| 2017 | 461 |
| 2018 | 502 |
| 2019 | 527 |
| 2020 | 603 |
| 2021 | 626 |
| 2022 | 579 |
| 2023 | 574 |
| 2024 | 525 |