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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 2 |
| 1965 | 1 |
| 1967 | 1 |
| 1972 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 5 |
| 1977 | 10 |
| 1978 | 4 |
| 1979 | 23 |
| 1980 | 5 |
| 1981 | 13 |
| 1982 | 10 |
| 1983 | 12 |
| 1984 | 12 |
| 1985 | 15 |
| 1986 | 22 |
| 1987 | 58 |
| 1988 | 73 |
| 1989 | 83 |
| 1990 | 130 |
| 1991 | 97 |
| 1992 | 109 |
| 1993 | 130 |
| 1994 | 143 |
| 1995 | 287 |
| 1996 | 466 |
| 1997 | 465 |
| 1998 | 445 |
| 1999 | 418 |
| 2000 | 498 |
| 2001 | 555 |
| 2002 | 554 |
| 2003 | 673 |
| 2004 | 705 |
| 2005 | 757 |
| 2006 | 833 |
| 2007 | 843 |
| 2008 | 853 |
| 2009 | 890 |
| 2010 | 927 |
| 2011 | 942 |
| 2012 | 997 |
| 2013 | 1024 |
| 2014 | 929 |
| 2015 | 989 |
| 2016 | 874 |
| 2017 | 797 |
| 2018 | 804 |
| 2019 | 791 |
| 2020 | 588 |
| 2021 | 341 |
| 2022 | 45 |
| 2023 | 7 |
| 2024 | 3 |