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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 5 |
| 1966 | 3 |
| 1967 | 14 |
| 1968 | 18 |
| 1969 | 22 |
| 1970 | 38 |
| 1971 | 18 |
| 1972 | 34 |
| 1973 | 37 |
| 1974 | 38 |
| 1975 | 35 |
| 1976 | 57 |
| 1977 | 44 |
| 1978 | 44 |
| 1979 | 45 |
| 1980 | 42 |
| 1981 | 45 |
| 1982 | 44 |
| 1983 | 50 |
| 1984 | 42 |
| 1985 | 37 |
| 1986 | 54 |
| 1987 | 52 |
| 1988 | 67 |
| 1989 | 57 |
| 1990 | 65 |
| 1991 | 88 |
| 1992 | 79 |
| 1993 | 93 |
| 1994 | 109 |
| 1995 | 87 |
| 1996 | 127 |
| 1997 | 84 |
| 1998 | 104 |
| 1999 | 122 |
| 2000 | 165 |
| 2001 | 144 |
| 2002 | 161 |
| 2003 | 203 |
| 2004 | 201 |
| 2005 | 205 |
| 2006 | 183 |
| 2007 | 203 |
| 2008 | 235 |
| 2009 | 188 |
| 2010 | 197 |
| 2011 | 196 |
| 2012 | 225 |
| 2013 | 279 |
| 2014 | 263 |
| 2015 | 275 |
| 2016 | 255 |
| 2017 | 277 |
| 2018 | 255 |
| 2019 | 253 |
| 2020 | 269 |
| 2021 | 242 |
| 2022 | 180 |
| 2023 | 149 |
| 2024 | 65 |