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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 5 |
| 1969 | 4 |
| 1970 | 7 |
| 1971 | 31 |
| 1972 | 14 |
| 1973 | 3 |
| 1974 | 3 |
| 1975 | 53 |
| 1976 | 58 |
| 1977 | 35 |
| 1978 | 54 |
| 1979 | 68 |
| 1980 | 88 |
| 1981 | 105 |
| 1982 | 149 |
| 1983 | 183 |
| 1984 | 252 |
| 1985 | 201 |
| 1986 | 163 |
| 1987 | 164 |
| 1988 | 243 |
| 1989 | 288 |
| 1990 | 324 |
| 1991 | 252 |
| 1992 | 264 |
| 1993 | 269 |
| 1994 | 260 |
| 1995 | 250 |
| 1996 | 202 |
| 1997 | 203 |
| 1998 | 220 |
| 1999 | 194 |
| 2000 | 248 |
| 2001 | 207 |
| 2002 | 245 |
| 2003 | 268 |
| 2004 | 275 |
| 2005 | 311 |
| 2006 | 418 |
| 2007 | 513 |
| 2008 | 482 |
| 2009 | 517 |
| 2010 | 568 |
| 2011 | 815 |
| 2012 | 1033 |
| 2013 | 796 |
| 2014 | 725 |
| 2015 | 699 |
| 2016 | 661 |
| 2017 | 595 |
| 2018 | 582 |
| 2019 | 444 |
| 2020 | 346 |
| 2021 | 283 |
| 2022 | 185 |
| 2023 | 131 |
| 2024 | 38 |