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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 3 |
| 1967 | 25 |
| 1968 | 53 |
| 1969 | 43 |
| 1970 | 111 |
| 1971 | 136 |
| 1972 | 179 |
| 1973 | 312 |
| 1974 | 376 |
| 1975 | 380 |
| 1976 | 398 |
| 1977 | 378 |
| 1978 | 364 |
| 1979 | 381 |
| 1980 | 280 |
| 1981 | 274 |
| 1982 | 313 |
| 1983 | 237 |
| 1984 | 270 |
| 1985 | 274 |
| 1986 | 272 |
| 1987 | 269 |
| 1988 | 310 |
| 1989 | 364 |
| 1990 | 412 |
| 1991 | 487 |
| 1992 | 482 |
| 1993 | 490 |
| 1994 | 514 |
| 1995 | 628 |
| 1996 | 705 |
| 1997 | 736 |
| 1998 | 772 |
| 1999 | 714 |
| 2000 | 909 |
| 2001 | 1009 |
| 2002 | 935 |
| 2003 | 1006 |
| 2004 | 1022 |
| 2005 | 977 |
| 2006 | 986 |
| 2007 | 961 |
| 2008 | 1008 |
| 2009 | 1065 |
| 2010 | 1092 |
| 2011 | 1057 |
| 2012 | 1051 |
| 2013 | 981 |
| 2014 | 883 |
| 2015 | 850 |
| 2016 | 826 |
| 2017 | 768 |
| 2018 | 641 |
| 2019 | 678 |
| 2020 | 676 |
| 2021 | 588 |
| 2022 | 446 |
| 2023 | 366 |
| 2024 | 504 |
| 2025 | 3 |