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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1965 | 9 |
| 1966 | 28 |
| 1967 | 41 |
| 1968 | 54 |
| 1969 | 60 |
| 1970 | 68 |
| 1971 | 80 |
| 1972 | 94 |
| 1973 | 112 |
| 1974 | 109 |
| 1975 | 109 |
| 1976 | 99 |
| 1977 | 90 |
| 1978 | 94 |
| 1979 | 113 |
| 1980 | 97 |
| 1981 | 86 |
| 1982 | 57 |
| 1983 | 72 |
| 1984 | 83 |
| 1985 | 109 |
| 1986 | 79 |
| 1987 | 121 |
| 1988 | 101 |
| 1989 | 121 |
| 1990 | 132 |
| 1991 | 164 |
| 1992 | 189 |
| 1993 | 205 |
| 1994 | 253 |
| 1995 | 273 |
| 1996 | 291 |
| 1997 | 231 |
| 1998 | 315 |
| 1999 | 417 |
| 2000 | 702 |
| 2001 | 821 |
| 2002 | 1008 |
| 2003 | 820 |
| 2004 | 809 |
| 2005 | 822 |
| 2006 | 961 |
| 2007 | 979 |
| 2008 | 981 |
| 2009 | 919 |
| 2010 | 948 |
| 2011 | 969 |
| 2012 | 1012 |
| 2013 | 1012 |
| 2014 | 979 |
| 2015 | 901 |
| 2016 | 912 |
| 2017 | 876 |
| 2018 | 801 |
| 2019 | 831 |
| 2020 | 671 |
| 2021 | 554 |
| 2022 | 438 |
| 2023 | 381 |
| 2024 | 183 |