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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1965 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1980 | 3 |
| 1981 | 4 |
| 1982 | 3 |
| 1983 | 6 |
| 1984 | 6 |
| 1985 | 10 |
| 1986 | 7 |
| 1987 | 8 |
| 1988 | 7 |
| 1989 | 14 |
| 1990 | 28 |
| 1991 | 26 |
| 1992 | 24 |
| 1993 | 26 |
| 1994 | 29 |
| 1995 | 24 |
| 1996 | 32 |
| 1997 | 35 |
| 1998 | 20 |
| 1999 | 29 |
| 2000 | 17 |
| 2001 | 6 |
| 2002 | 80 |
| 2003 | 222 |
| 2004 | 282 |
| 2005 | 333 |
| 2006 | 353 |
| 2007 | 369 |
| 2008 | 450 |
| 2009 | 417 |
| 2010 | 552 |
| 2011 | 554 |
| 2012 | 607 |
| 2013 | 708 |
| 2014 | 789 |
| 2015 | 786 |
| 2016 | 845 |
| 2017 | 717 |
| 2018 | 688 |
| 2019 | 697 |
| 2020 | 723 |
| 2021 | 456 |
| 2022 | 167 |
| 2023 | 150 |
| 2024 | 51 |