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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 3 |
| 1964 | 20 |
| 1965 | 81 |
| 1966 | 171 |
| 1967 | 232 |
| 1968 | 267 |
| 1969 | 265 |
| 1970 | 339 |
| 1971 | 289 |
| 1972 | 361 |
| 1973 | 492 |
| 1974 | 725 |
| 1975 | 767 |
| 1976 | 864 |
| 1977 | 940 |
| 1978 | 934 |
| 1979 | 1090 |
| 1980 | 1246 |
| 1981 | 1312 |
| 1982 | 1472 |
| 1983 | 1475 |
| 1984 | 1708 |
| 1985 | 1847 |
| 1986 | 2140 |
| 1987 | 2470 |
| 1988 | 2728 |
| 1989 | 3115 |
| 1990 | 3681 |
| 1991 | 4184 |
| 1992 | 4442 |
| 1993 | 5446 |
| 1994 | 6696 |
| 1995 | 7359 |
| 1996 | 7985 |
| 1997 | 8654 |
| 1998 | 9589 |
| 1999 | 10368 |
| 2000 | 11584 |
| 2001 | 12743 |
| 2002 | 13517 |
| 2003 | 14940 |
| 2004 | 16533 |
| 2005 | 18215 |
| 2006 | 20033 |
| 2007 | 21181 |
| 2008 | 22231 |
| 2009 | 23822 |
| 2010 | 25384 |
| 2011 | 26794 |
| 2012 | 28525 |
| 2013 | 29734 |
| 2014 | 29745 |
| 2015 | 29890 |
| 2016 | 28534 |
| 2017 | 27804 |
| 2018 | 27581 |
| 2019 | 27770 |
| 2020 | 26590 |
| 2021 | 23607 |
| 2022 | 20548 |
| 2023 | 16606 |
| 2024 | 5100 |