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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 14 |
| 1960 | 19 |
| 1961 | 26 |
| 1962 | 24 |
| 1968 | 3 |
| 1969 | 1 |
| 1970 | 3 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 2 |
| 1975 | 1 |
| 1976 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 7 |
| 1981 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 5 |
| 1990 | 8 |
| 1991 | 131 |
| 1992 | 184 |
| 1993 | 207 |
| 1994 | 289 |
| 1995 | 288 |
| 1996 | 308 |
| 1997 | 391 |
| 1998 | 493 |
| 1999 | 649 |
| 2000 | 927 |
| 2001 | 897 |
| 2002 | 882 |
| 2003 | 833 |
| 2004 | 823 |
| 2005 | 1013 |
| 2006 | 1132 |
| 2007 | 1190 |
| 2008 | 759 |
| 2009 | 700 |
| 2010 | 758 |
| 2011 | 853 |
| 2012 | 708 |
| 2013 | 685 |
| 2014 | 669 |
| 2015 | 679 |
| 2016 | 640 |
| 2017 | 642 |
| 2018 | 581 |
| 2019 | 624 |
| 2020 | 546 |
| 2021 | 530 |
| 2022 | 235 |
| 2023 | 158 |
| 2024 | 51 |