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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 7 |
| 1966 | 20 |
| 1967 | 41 |
| 1968 | 54 |
| 1969 | 59 |
| 1970 | 52 |
| 1971 | 59 |
| 1972 | 74 |
| 1973 | 99 |
| 1974 | 91 |
| 1975 | 92 |
| 1976 | 59 |
| 1977 | 66 |
| 1978 | 62 |
| 1979 | 60 |
| 1980 | 51 |
| 1981 | 46 |
| 1982 | 80 |
| 1983 | 77 |
| 1984 | 92 |
| 1985 | 96 |
| 1986 | 85 |
| 1987 | 100 |
| 1988 | 84 |
| 1989 | 121 |
| 1990 | 109 |
| 1991 | 101 |
| 1992 | 98 |
| 1993 | 93 |
| 1994 | 84 |
| 1995 | 77 |
| 1996 | 121 |
| 1997 | 97 |
| 1998 | 118 |
| 1999 | 110 |
| 2000 | 138 |
| 2001 | 121 |
| 2002 | 156 |
| 2003 | 130 |
| 2004 | 154 |
| 2005 | 122 |
| 2006 | 125 |
| 2007 | 105 |
| 2008 | 132 |
| 2009 | 119 |
| 2010 | 115 |
| 2011 | 123 |
| 2012 | 120 |
| 2013 | 134 |
| 2014 | 125 |
| 2015 | 112 |
| 2016 | 103 |
| 2017 | 100 |
| 2018 | 80 |
| 2019 | 78 |
| 2020 | 77 |
| 2021 | 37 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 52 |