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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 35 |
| 1966 | 36 |
| 1967 | 44 |
| 1968 | 57 |
| 1969 | 100 |
| 1970 | 95 |
| 1971 | 46 |
| 1972 | 65 |
| 1973 | 60 |
| 1974 | 73 |
| 1975 | 120 |
| 1976 | 123 |
| 1977 | 117 |
| 1978 | 79 |
| 1979 | 106 |
| 1980 | 74 |
| 1981 | 111 |
| 1982 | 112 |
| 1983 | 108 |
| 1984 | 142 |
| 1985 | 110 |
| 1986 | 150 |
| 1987 | 220 |
| 1988 | 173 |
| 1989 | 165 |
| 1990 | 173 |
| 1991 | 172 |
| 1992 | 178 |
| 1993 | 208 |
| 1994 | 138 |
| 1995 | 173 |
| 1996 | 204 |
| 1997 | 193 |
| 1998 | 156 |
| 1999 | 165 |
| 2000 | 221 |
| 2001 | 215 |
| 2002 | 195 |
| 2003 | 195 |
| 2004 | 171 |
| 2005 | 211 |
| 2006 | 233 |
| 2007 | 207 |
| 2008 | 270 |
| 2009 | 246 |
| 2010 | 242 |
| 2011 | 225 |
| 2012 | 254 |
| 2013 | 254 |
| 2014 | 233 |
| 2015 | 199 |
| 2016 | 128 |
| 2017 | 193 |
| 2018 | 234 |
| 2019 | 199 |
| 2020 | 206 |
| 2021 | 256 |
| 2022 | 265 |
| 2023 | 236 |
| 2024 | 229 |
| 2025 | 164 |