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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 17 |
| 1966 | 45 |
| 1967 | 66 |
| 1968 | 129 |
| 1969 | 44 |
| 1970 | 82 |
| 1971 | 161 |
| 1972 | 163 |
| 1973 | 163 |
| 1974 | 177 |
| 1975 | 126 |
| 1976 | 173 |
| 1977 | 171 |
| 1978 | 49 |
| 1979 | 84 |
| 1980 | 60 |
| 1981 | 82 |
| 1982 | 95 |
| 1983 | 140 |
| 1984 | 132 |
| 1985 | 118 |
| 1986 | 147 |
| 1987 | 132 |
| 1988 | 108 |
| 1989 | 149 |
| 1990 | 215 |
| 1991 | 141 |
| 1992 | 150 |
| 1993 | 130 |
| 1994 | 108 |
| 1995 | 125 |
| 1996 | 147 |
| 1997 | 123 |
| 1998 | 87 |
| 1999 | 148 |
| 2000 | 216 |
| 2001 | 198 |
| 2002 | 208 |
| 2003 | 233 |
| 2004 | 217 |
| 2005 | 160 |
| 2006 | 237 |
| 2007 | 181 |
| 2008 | 222 |
| 2009 | 164 |
| 2010 | 210 |
| 2011 | 205 |
| 2012 | 161 |
| 2013 | 184 |
| 2014 | 168 |
| 2015 | 152 |
| 2016 | 172 |
| 2017 | 108 |
| 2018 | 68 |
| 2019 | 58 |
| 2020 | 52 |
| 2021 | 66 |
| 2022 | 31 |
| 2023 | 31 |
| 2024 | 30 |