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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1968 | 2 |
| 1974 | 1 |
| 1975 | 5 |
| 1976 | 1 |
| 1977 | 5 |
| 1978 | 8 |
| 1979 | 11 |
| 1980 | 267 |
| 1981 | 559 |
| 1982 | 576 |
| 1983 | 523 |
| 1984 | 563 |
| 1985 | 556 |
| 1986 | 576 |
| 1987 | 560 |
| 1988 | 613 |
| 1989 | 552 |
| 1990 | 589 |
| 1991 | 641 |
| 1992 | 733 |
| 1993 | 681 |
| 1994 | 603 |
| 1995 | 678 |
| 1996 | 685 |
| 1997 | 678 |
| 1998 | 749 |
| 1999 | 722 |
| 2000 | 781 |
| 2001 | 786 |
| 2002 | 849 |
| 2003 | 940 |
| 2004 | 947 |
| 2005 | 1145 |
| 2006 | 1269 |
| 2007 | 1324 |
| 2008 | 1424 |
| 2009 | 1495 |
| 2010 | 1823 |
| 2011 | 1894 |
| 2012 | 1856 |
| 2013 | 1971 |
| 2014 | 1913 |
| 2015 | 1933 |
| 2016 | 1738 |
| 2017 | 1713 |
| 2018 | 1582 |
| 2019 | 1481 |
| 2020 | 1620 |
| 2021 | 1704 |
| 2022 | 1564 |
| 2023 | 1533 |
| 2024 | 1399 |
| 2025 | 517 |