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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 13 |
| 1968 | 11 |
| 1969 | 11 |
| 1970 | 14 |
| 1971 | 18 |
| 1972 | 25 |
| 1973 | 33 |
| 1974 | 46 |
| 1975 | 62 |
| 1976 | 53 |
| 1977 | 47 |
| 1978 | 60 |
| 1979 | 60 |
| 1980 | 65 |
| 1981 | 63 |
| 1982 | 71 |
| 1983 | 62 |
| 1984 | 54 |
| 1985 | 84 |
| 1986 | 74 |
| 1987 | 73 |
| 1988 | 85 |
| 1989 | 133 |
| 1990 | 132 |
| 1991 | 148 |
| 1992 | 139 |
| 1993 | 194 |
| 1994 | 163 |
| 1995 | 166 |
| 1996 | 167 |
| 1997 | 212 |
| 1998 | 185 |
| 1999 | 171 |
| 2000 | 255 |
| 2001 | 210 |
| 2002 | 240 |
| 2003 | 321 |
| 2004 | 310 |
| 2005 | 327 |
| 2006 | 357 |
| 2007 | 357 |
| 2008 | 368 |
| 2009 | 373 |
| 2010 | 407 |
| 2011 | 513 |
| 2012 | 494 |
| 2013 | 463 |
| 2014 | 476 |
| 2015 | 530 |
| 2016 | 536 |
| 2017 | 520 |
| 2018 | 517 |
| 2019 | 610 |
| 2020 | 642 |
| 2021 | 609 |
| 2022 | 542 |
| 2023 | 423 |
| 2024 | 201 |