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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 5 |
| 1966 | 28 |
| 1967 | 63 |
| 1968 | 79 |
| 1969 | 91 |
| 1970 | 99 |
| 1971 | 119 |
| 1972 | 110 |
| 1973 | 101 |
| 1974 | 129 |
| 1975 | 90 |
| 1976 | 57 |
| 1977 | 52 |
| 1978 | 68 |
| 1979 | 79 |
| 1980 | 69 |
| 1981 | 47 |
| 1982 | 64 |
| 1983 | 40 |
| 1984 | 69 |
| 1985 | 65 |
| 1986 | 77 |
| 1987 | 64 |
| 1988 | 78 |
| 1989 | 91 |
| 1990 | 118 |
| 1991 | 125 |
| 1992 | 129 |
| 1993 | 136 |
| 1994 | 134 |
| 1995 | 141 |
| 1996 | 131 |
| 1997 | 119 |
| 1998 | 126 |
| 1999 | 154 |
| 2000 | 180 |
| 2001 | 170 |
| 2002 | 181 |
| 2003 | 224 |
| 2004 | 223 |
| 2005 | 216 |
| 2006 | 223 |
| 2007 | 287 |
| 2008 | 228 |
| 2009 | 244 |
| 2010 | 228 |
| 2011 | 276 |
| 2012 | 290 |
| 2013 | 267 |
| 2014 | 251 |
| 2015 | 246 |
| 2016 | 238 |
| 2017 | 203 |
| 2018 | 206 |
| 2019 | 193 |
| 2020 | 192 |
| 2021 | 204 |
| 2022 | 183 |
| 2023 | 126 |
| 2024 | 56 |