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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 5 |
| 1960 | 5 |
| 1961 | 7 |
| 1962 | 9 |
| 1965 | 1 |
| 1966 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 44 |
| 1978 | 109 |
| 1979 | 125 |
| 1980 | 152 |
| 1981 | 160 |
| 1982 | 156 |
| 1983 | 242 |
| 1984 | 248 |
| 1985 | 290 |
| 1986 | 319 |
| 1987 | 329 |
| 1988 | 403 |
| 1989 | 472 |
| 1990 | 577 |
| 1991 | 565 |
| 1992 | 595 |
| 1993 | 580 |
| 1994 | 558 |
| 1995 | 695 |
| 1996 | 613 |
| 1997 | 736 |
| 1998 | 647 |
| 1999 | 708 |
| 2000 | 727 |
| 2001 | 783 |
| 2002 | 712 |
| 2003 | 750 |
| 2004 | 825 |
| 2005 | 880 |
| 2006 | 972 |
| 2007 | 1055 |
| 2008 | 1067 |
| 2009 | 1082 |
| 2010 | 1162 |
| 2011 | 1355 |
| 2012 | 1459 |
| 2013 | 1392 |
| 2014 | 1493 |
| 2015 | 1496 |
| 2016 | 1395 |
| 2017 | 1366 |
| 2018 | 1337 |
| 2019 | 1436 |
| 2020 | 1568 |
| 2021 | 1769 |
| 2022 | 1830 |
| 2023 | 1587 |
| 2024 | 534 |