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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 2 |
| 1960 | 23 |
| 1961 | 20 |
| 1962 | 26 |
| 1965 | 2 |
| 1966 | 7 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 2 |
| 1971 | 5 |
| 1972 | 8 |
| 1973 | 5 |
| 1974 | 16 |
| 1975 | 13 |
| 1976 | 7 |
| 1977 | 364 |
| 1978 | 842 |
| 1979 | 969 |
| 1980 | 1148 |
| 1981 | 1220 |
| 1982 | 1430 |
| 1983 | 1675 |
| 1984 | 1815 |
| 1985 | 1909 |
| 1986 | 1913 |
| 1987 | 2194 |
| 1988 | 2290 |
| 1989 | 2680 |
| 1990 | 3266 |
| 1991 | 3353 |
| 1992 | 2919 |
| 1993 | 2986 |
| 1994 | 2847 |
| 1995 | 3044 |
| 1996 | 2912 |
| 1997 | 2791 |
| 1998 | 2877 |
| 1999 | 2745 |
| 2000 | 2777 |
| 2001 | 2851 |
| 2002 | 2776 |
| 2003 | 2977 |
| 2004 | 3128 |
| 2005 | 3091 |
| 2006 | 3175 |
| 2007 | 3322 |
| 2008 | 3384 |
| 2009 | 3487 |
| 2010 | 3441 |
| 2011 | 3798 |
| 2012 | 4119 |
| 2013 | 4242 |
| 2014 | 3949 |
| 2015 | 4057 |
| 2016 | 4021 |
| 2017 | 4148 |
| 2018 | 3702 |
| 2019 | 3404 |
| 2020 | 3250 |
| 2021 | 3182 |
| 2022 | 2794 |
| 2023 | 2291 |
| 2024 | 929 |