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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 6 |
| 1967 | 27 |
| 1968 | 63 |
| 1969 | 89 |
| 1970 | 85 |
| 1971 | 106 |
| 1972 | 127 |
| 1973 | 159 |
| 1974 | 175 |
| 1975 | 177 |
| 1976 | 123 |
| 1977 | 142 |
| 1978 | 104 |
| 1979 | 138 |
| 1980 | 155 |
| 1981 | 145 |
| 1982 | 171 |
| 1983 | 184 |
| 1984 | 194 |
| 1985 | 200 |
| 1986 | 207 |
| 1987 | 231 |
| 1988 | 272 |
| 1989 | 356 |
| 1990 | 449 |
| 1991 | 534 |
| 1992 | 589 |
| 1993 | 630 |
| 1994 | 710 |
| 1995 | 679 |
| 1996 | 728 |
| 1997 | 680 |
| 1998 | 681 |
| 1999 | 647 |
| 2000 | 722 |
| 2001 | 675 |
| 2002 | 672 |
| 2003 | 649 |
| 2004 | 694 |
| 2005 | 587 |
| 2006 | 587 |
| 2007 | 679 |
| 2008 | 803 |
| 2009 | 796 |
| 2010 | 765 |
| 2011 | 660 |
| 2012 | 685 |
| 2013 | 629 |
| 2014 | 499 |
| 2015 | 453 |
| 2016 | 367 |
| 2017 | 317 |
| 2018 | 226 |
| 2019 | 137 |
| 2020 | 107 |
| 2021 | 74 |
| 2022 | 11 |
| 2023 | 4 |
| 2024 | 1 |