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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 59 |
| 1967 | 49 |
| 1968 | 95 |
| 1969 | 99 |
| 1970 | 111 |
| 1971 | 131 |
| 1972 | 124 |
| 1973 | 122 |
| 1974 | 133 |
| 1975 | 149 |
| 1976 | 136 |
| 1977 | 166 |
| 1978 | 153 |
| 1979 | 164 |
| 1980 | 164 |
| 1981 | 169 |
| 1982 | 179 |
| 1983 | 177 |
| 1984 | 195 |
| 1985 | 221 |
| 1986 | 209 |
| 1987 | 210 |
| 1988 | 214 |
| 1989 | 189 |
| 1990 | 183 |
| 1991 | 182 |
| 1992 | 190 |
| 1993 | 204 |
| 1994 | 200 |
| 1995 | 206 |
| 1996 | 207 |
| 1997 | 220 |
| 1998 | 228 |
| 1999 | 222 |
| 2000 | 224 |
| 2001 | 226 |
| 2002 | 258 |
| 2003 | 250 |
| 2004 | 235 |
| 2005 | 231 |
| 2006 | 226 |
| 2007 | 234 |
| 2008 | 226 |
| 2009 | 212 |
| 2010 | 278 |
| 2011 | 233 |
| 2012 | 239 |
| 2013 | 253 |
| 2014 | 231 |
| 2015 | 279 |
| 2016 | 318 |
| 2017 | 300 |
| 2018 | 263 |
| 2019 | 242 |
| 2020 | 252 |
| 2021 | 281 |
| 2022 | 308 |
| 2023 | 257 |
| 2024 | 187 |