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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 9 |
| 1972 | 59 |
| 1973 | 150 |
| 1974 | 165 |
| 1975 | 170 |
| 1976 | 170 |
| 1977 | 164 |
| 1978 | 146 |
| 1979 | 145 |
| 1980 | 147 |
| 1981 | 136 |
| 1982 | 168 |
| 1983 | 174 |
| 1984 | 203 |
| 1985 | 193 |
| 1986 | 241 |
| 1987 | 198 |
| 1988 | 235 |
| 1989 | 271 |
| 1990 | 276 |
| 1991 | 251 |
| 1992 | 217 |
| 1993 | 220 |
| 1994 | 273 |
| 1995 | 246 |
| 1996 | 229 |
| 1997 | 243 |
| 1998 | 237 |
| 1999 | 236 |
| 2000 | 227 |
| 2001 | 244 |
| 2002 | 253 |
| 2003 | 232 |
| 2004 | 262 |
| 2005 | 281 |
| 2006 | 261 |
| 2007 | 283 |
| 2008 | 277 |
| 2009 | 235 |
| 2010 | 269 |
| 2011 | 278 |
| 2012 | 288 |
| 2013 | 278 |
| 2014 | 279 |
| 2015 | 287 |
| 2016 | 225 |
| 2017 | 225 |
| 2018 | 226 |
| 2019 | 229 |
| 2020 | 215 |
| 2021 | 192 |
| 2022 | 84 |
| 2023 | 67 |
| 2024 | 11 |