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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 14 |
| 1967 | 13 |
| 1968 | 25 |
| 1969 | 57 |
| 1970 | 38 |
| 1971 | 41 |
| 1972 | 33 |
| 1973 | 61 |
| 1974 | 39 |
| 1975 | 68 |
| 1976 | 134 |
| 1977 | 142 |
| 1978 | 98 |
| 1979 | 95 |
| 1980 | 64 |
| 1981 | 65 |
| 1982 | 85 |
| 1983 | 64 |
| 1984 | 68 |
| 1985 | 56 |
| 1986 | 76 |
| 1987 | 65 |
| 1988 | 68 |
| 1989 | 46 |
| 1990 | 57 |
| 1991 | 52 |
| 1992 | 63 |
| 1993 | 75 |
| 1994 | 67 |
| 1995 | 81 |
| 1996 | 96 |
| 1997 | 96 |
| 1998 | 107 |
| 1999 | 119 |
| 2000 | 179 |
| 2001 | 206 |
| 2002 | 223 |
| 2003 | 290 |
| 2004 | 356 |
| 2005 | 341 |
| 2006 | 439 |
| 2007 | 393 |
| 2008 | 449 |
| 2009 | 659 |
| 2010 | 859 |
| 2011 | 1112 |
| 2012 | 1037 |
| 2013 | 991 |
| 2014 | 856 |
| 2015 | 844 |
| 2016 | 750 |
| 2017 | 781 |
| 2018 | 741 |
| 2019 | 736 |
| 2020 | 540 |
| 2021 | 423 |
| 2022 | 252 |
| 2023 | 194 |
| 2024 | 87 |