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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 5 |
| 1965 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 2 |
| 1977 | 48 |
| 1978 | 113 |
| 1979 | 116 |
| 1980 | 126 |
| 1981 | 143 |
| 1982 | 150 |
| 1983 | 208 |
| 1984 | 236 |
| 1985 | 237 |
| 1986 | 270 |
| 1987 | 273 |
| 1988 | 295 |
| 1989 | 328 |
| 1990 | 408 |
| 1991 | 427 |
| 1992 | 407 |
| 1993 | 367 |
| 1994 | 385 |
| 1995 | 432 |
| 1996 | 388 |
| 1997 | 408 |
| 1998 | 394 |
| 1999 | 456 |
| 2000 | 472 |
| 2001 | 510 |
| 2002 | 531 |
| 2003 | 600 |
| 2004 | 638 |
| 2005 | 624 |
| 2006 | 674 |
| 2007 | 784 |
| 2008 | 749 |
| 2009 | 788 |
| 2010 | 759 |
| 2011 | 841 |
| 2012 | 859 |
| 2013 | 899 |
| 2014 | 865 |
| 2015 | 944 |
| 2016 | 837 |
| 2017 | 799 |
| 2018 | 781 |
| 2019 | 728 |
| 2020 | 760 |
| 2021 | 748 |
| 2022 | 620 |
| 2023 | 531 |
| 2024 | 164 |