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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 1 |
| 1968 | 1 |
| 1971 | 1 |
| 1974 | 2 |
| 1978 | 7 |
| 1979 | 7 |
| 1980 | 14 |
| 1981 | 15 |
| 1982 | 19 |
| 1983 | 18 |
| 1984 | 14 |
| 1985 | 15 |
| 1986 | 22 |
| 1987 | 23 |
| 1988 | 33 |
| 1989 | 38 |
| 1990 | 34 |
| 1991 | 40 |
| 1992 | 45 |
| 1993 | 55 |
| 1994 | 31 |
| 1995 | 40 |
| 1996 | 46 |
| 1997 | 68 |
| 1998 | 66 |
| 1999 | 171 |
| 2000 | 362 |
| 2001 | 376 |
| 2002 | 418 |
| 2003 | 462 |
| 2004 | 495 |
| 2005 | 499 |
| 2006 | 632 |
| 2007 | 644 |
| 2008 | 728 |
| 2009 | 853 |
| 2010 | 880 |
| 2011 | 966 |
| 2012 | 1044 |
| 2013 | 1174 |
| 2014 | 1148 |
| 2015 | 1152 |
| 2016 | 1087 |
| 2017 | 1010 |
| 2018 | 1017 |
| 2019 | 1031 |
| 2020 | 1299 |
| 2021 | 1485 |
| 2022 | 1460 |
| 2023 | 1450 |
| 2024 | 466 |