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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 3 |
| 1968 | 1 |
| 1974 | 1 |
| 1978 | 3 |
| 1979 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 11 |
| 1984 | 34 |
| 1985 | 50 |
| 1986 | 68 |
| 1987 | 70 |
| 1988 | 100 |
| 1989 | 126 |
| 1990 | 175 |
| 1991 | 219 |
| 1992 | 359 |
| 1993 | 814 |
| 1994 | 1238 |
| 1995 | 552 |
| 1996 | 397 |
| 1997 | 345 |
| 1998 | 367 |
| 1999 | 606 |
| 2000 | 328 |
| 2001 | 434 |
| 2002 | 468 |
| 2003 | 636 |
| 2004 | 511 |
| 2005 | 300 |
| 2006 | 372 |
| 2007 | 376 |
| 2008 | 463 |
| 2009 | 817 |
| 2010 | 1269 |
| 2011 | 934 |
| 2012 | 925 |
| 2013 | 802 |
| 2014 | 776 |
| 2015 | 727 |
| 2016 | 733 |
| 2017 | 699 |
| 2018 | 614 |
| 2019 | 616 |
| 2020 | 498 |
| 2021 | 271 |
| 2022 | 60 |
| 2023 | 72 |
| 2024 | 19 |