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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 11 |
| 1966 | 28 |
| 1967 | 69 |
| 1968 | 65 |
| 1969 | 77 |
| 1970 | 107 |
| 1971 | 110 |
| 1972 | 121 |
| 1973 | 152 |
| 1974 | 123 |
| 1975 | 62 |
| 1976 | 51 |
| 1977 | 72 |
| 1978 | 72 |
| 1979 | 64 |
| 1980 | 72 |
| 1981 | 68 |
| 1982 | 87 |
| 1983 | 91 |
| 1984 | 124 |
| 1985 | 165 |
| 1986 | 195 |
| 1987 | 125 |
| 1988 | 101 |
| 1989 | 91 |
| 1990 | 108 |
| 1991 | 100 |
| 1992 | 74 |
| 1993 | 63 |
| 1994 | 88 |
| 1995 | 94 |
| 1996 | 82 |
| 1997 | 102 |
| 1998 | 115 |
| 1999 | 105 |
| 2000 | 105 |
| 2001 | 97 |
| 2002 | 107 |
| 2003 | 108 |
| 2004 | 123 |
| 2005 | 149 |
| 2006 | 174 |
| 2007 | 173 |
| 2008 | 190 |
| 2009 | 199 |
| 2010 | 210 |
| 2011 | 208 |
| 2012 | 182 |
| 2013 | 215 |
| 2014 | 209 |
| 2015 | 181 |
| 2016 | 148 |
| 2017 | 169 |
| 2018 | 159 |
| 2019 | 168 |
| 2020 | 216 |
| 2021 | 173 |
| 2022 | 43 |
| 2023 | 32 |
| 2024 | 129 |