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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1964 | 2 |
| 1966 | 2 |
| 1968 | 1 |
| 1969 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1975 | 2 |
| 1976 | 10 |
| 1977 | 15 |
| 1978 | 3 |
| 1980 | 2 |
| 1981 | 4 |
| 1982 | 4 |
| 1983 | 2 |
| 1984 | 5 |
| 1985 | 6 |
| 1986 | 4 |
| 1987 | 11 |
| 1988 | 10 |
| 1989 | 13 |
| 1990 | 19 |
| 1991 | 15 |
| 1992 | 29 |
| 1993 | 27 |
| 1994 | 30 |
| 1995 | 30 |
| 1996 | 34 |
| 1997 | 42 |
| 1998 | 60 |
| 1999 | 60 |
| 2000 | 72 |
| 2001 | 82 |
| 2002 | 87 |
| 2003 | 127 |
| 2004 | 137 |
| 2005 | 124 |
| 2006 | 140 |
| 2007 | 187 |
| 2008 | 230 |
| 2009 | 256 |
| 2010 | 321 |
| 2011 | 357 |
| 2012 | 425 |
| 2013 | 444 |
| 2014 | 473 |
| 2015 | 522 |
| 2016 | 503 |
| 2017 | 467 |
| 2018 | 508 |
| 2019 | 471 |
| 2020 | 580 |
| 2021 | 603 |
| 2022 | 533 |
| 2023 | 580 |
| 2024 | 247 |