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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 11 |
| 1967 | 10 |
| 1968 | 16 |
| 1969 | 34 |
| 1970 | 29 |
| 1971 | 32 |
| 1972 | 64 |
| 1973 | 110 |
| 1974 | 164 |
| 1975 | 118 |
| 1976 | 130 |
| 1977 | 121 |
| 1978 | 113 |
| 1979 | 127 |
| 1980 | 145 |
| 1981 | 142 |
| 1982 | 181 |
| 1983 | 141 |
| 1984 | 221 |
| 1985 | 275 |
| 1986 | 276 |
| 1987 | 227 |
| 1988 | 247 |
| 1989 | 316 |
| 1990 | 266 |
| 1991 | 305 |
| 1992 | 336 |
| 1993 | 311 |
| 1994 | 248 |
| 1995 | 262 |
| 1996 | 291 |
| 1997 | 335 |
| 1998 | 340 |
| 1999 | 314 |
| 2000 | 380 |
| 2001 | 369 |
| 2002 | 419 |
| 2003 | 407 |
| 2004 | 401 |
| 2005 | 433 |
| 2006 | 444 |
| 2007 | 492 |
| 2008 | 454 |
| 2009 | 501 |
| 2010 | 587 |
| 2011 | 657 |
| 2012 | 602 |
| 2013 | 673 |
| 2014 | 562 |
| 2015 | 517 |
| 2016 | 523 |
| 2017 | 505 |
| 2018 | 466 |
| 2019 | 471 |
| 2020 | 403 |
| 2021 | 323 |
| 2022 | 378 |
| 2023 | 321 |
| 2024 | 97 |