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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 57 |
| 1978 | 211 |
| 1979 | 278 |
| 1980 | 254 |
| 1981 | 287 |
| 1982 | 253 |
| 1983 | 317 |
| 1984 | 383 |
| 1985 | 443 |
| 1986 | 409 |
| 1987 | 446 |
| 1988 | 716 |
| 1989 | 759 |
| 1990 | 851 |
| 1991 | 1204 |
| 1992 | 1224 |
| 1993 | 1227 |
| 1994 | 1365 |
| 1995 | 1545 |
| 1996 | 986 |
| 1997 | 745 |
| 1998 | 735 |
| 1999 | 723 |
| 2000 | 589 |
| 2001 | 630 |
| 2002 | 523 |
| 2003 | 593 |
| 2004 | 625 |
| 2005 | 720 |
| 2006 | 674 |
| 2007 | 763 |
| 2008 | 722 |
| 2009 | 745 |
| 2010 | 724 |
| 2011 | 755 |
| 2012 | 728 |
| 2013 | 697 |
| 2014 | 602 |
| 2015 | 449 |
| 2016 | 524 |
| 2017 | 271 |
| 2025 | 0 |