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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 5 |
| 1960 | 1 |
| 1961 | 11 |
| 1962 | 1 |
| 1975 | 14 |
| 1976 | 22 |
| 1977 | 75 |
| 1978 | 225 |
| 1979 | 243 |
| 1980 | 223 |
| 1981 | 205 |
| 1982 | 174 |
| 1983 | 261 |
| 1984 | 284 |
| 1985 | 228 |
| 1986 | 239 |
| 1987 | 294 |
| 1988 | 376 |
| 1989 | 328 |
| 1990 | 270 |
| 1991 | 349 |
| 1992 | 436 |
| 1993 | 539 |
| 1994 | 521 |
| 1995 | 719 |
| 1996 | 699 |
| 1997 | 741 |
| 1998 | 792 |
| 1999 | 741 |
| 2000 | 671 |
| 2001 | 572 |
| 2002 | 618 |
| 2003 | 598 |
| 2004 | 592 |
| 2005 | 530 |
| 2006 | 499 |
| 2007 | 490 |
| 2008 | 650 |
| 2009 | 619 |
| 2010 | 666 |
| 2011 | 771 |
| 2012 | 802 |
| 2013 | 892 |
| 2014 | 902 |
| 2015 | 901 |
| 2016 | 821 |
| 2017 | 695 |
| 2018 | 680 |
| 2019 | 549 |
| 2020 | 452 |
| 2021 | 226 |
| 2022 | 53 |
| 2023 | 71 |
| 2024 | 411 |
| 2025 | 362 |