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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 20 |
| 1966 | 62 |
| 1967 | 57 |
| 1968 | 37 |
| 1969 | 68 |
| 1970 | 48 |
| 1971 | 59 |
| 1972 | 33 |
| 1973 | 28 |
| 1974 | 27 |
| 1975 | 30 |
| 1976 | 26 |
| 1977 | 16 |
| 1978 | 22 |
| 1979 | 21 |
| 1980 | 19 |
| 1981 | 15 |
| 1982 | 35 |
| 1983 | 21 |
| 1984 | 30 |
| 1985 | 37 |
| 1986 | 30 |
| 1987 | 41 |
| 1988 | 45 |
| 1989 | 48 |
| 1990 | 41 |
| 1991 | 44 |
| 1992 | 40 |
| 1993 | 40 |
| 1994 | 31 |
| 1995 | 59 |
| 1996 | 41 |
| 1997 | 44 |
| 1998 | 41 |
| 1999 | 50 |
| 2000 | 42 |
| 2001 | 40 |
| 2002 | 68 |
| 2003 | 80 |
| 2004 | 82 |
| 2005 | 93 |
| 2006 | 96 |
| 2007 | 100 |
| 2008 | 103 |
| 2009 | 101 |
| 2010 | 94 |
| 2011 | 114 |
| 2012 | 137 |
| 2013 | 125 |
| 2014 | 136 |
| 2015 | 146 |
| 2016 | 119 |
| 2017 | 128 |
| 2018 | 123 |
| 2019 | 126 |
| 2020 | 163 |
| 2021 | 158 |
| 2022 | 178 |
| 2023 | 147 |
| 2024 | 42 |