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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1967 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 7 |
| 1976 | 3 |
| 1977 | 78 |
| 1978 | 191 |
| 1979 | 274 |
| 1980 | 261 |
| 1981 | 279 |
| 1982 | 369 |
| 1983 | 439 |
| 1984 | 531 |
| 1985 | 550 |
| 1986 | 682 |
| 1987 | 808 |
| 1988 | 908 |
| 1989 | 1032 |
| 1990 | 1252 |
| 1991 | 1398 |
| 1992 | 1332 |
| 1993 | 1431 |
| 1994 | 1586 |
| 1995 | 1577 |
| 1996 | 1695 |
| 1997 | 1605 |
| 1998 | 1719 |
| 1999 | 1856 |
| 2000 | 1850 |
| 2001 | 1818 |
| 2002 | 1721 |
| 2003 | 1759 |
| 2004 | 1888 |
| 2005 | 1798 |
| 2006 | 1891 |
| 2007 | 1860 |
| 2008 | 1983 |
| 2009 | 1964 |
| 2010 | 2125 |
| 2011 | 2177 |
| 2012 | 2226 |
| 2013 | 2225 |
| 2014 | 2002 |
| 2015 | 1866 |
| 2016 | 1816 |
| 2017 | 1855 |
| 2018 | 1640 |
| 2019 | 1533 |
| 2020 | 1495 |
| 2021 | 1531 |
| 2022 | 1307 |
| 2023 | 1179 |
| 2024 | 394 |