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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 2 |
| 1976 | 3 |
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 9 |
| 1980 | 3 |
| 1981 | 3 |
| 1982 | 3 |
| 1983 | 6 |
| 1984 | 11 |
| 1985 | 24 |
| 1986 | 28 |
| 1987 | 43 |
| 1988 | 85 |
| 1989 | 109 |
| 1990 | 422 |
| 1991 | 898 |
| 1992 | 904 |
| 1993 | 631 |
| 1994 | 666 |
| 1995 | 641 |
| 1996 | 738 |
| 1997 | 795 |
| 1998 | 855 |
| 1999 | 994 |
| 2000 | 953 |
| 2001 | 979 |
| 2002 | 911 |
| 2003 | 1205 |
| 2004 | 1291 |
| 2005 | 1157 |
| 2006 | 1449 |
| 2007 | 1293 |
| 2008 | 1407 |
| 2009 | 1306 |
| 2010 | 1493 |
| 2011 | 1549 |
| 2012 | 1565 |
| 2013 | 1592 |
| 2014 | 1558 |
| 2015 | 1429 |
| 2016 | 1564 |
| 2017 | 1591 |
| 2018 | 1653 |
| 2019 | 1403 |
| 2020 | 1926 |
| 2021 | 1414 |
| 2022 | 872 |
| 2023 | 894 |
| 2024 | 522 |