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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 16 |
| 1966 | 87 |
| 1967 | 248 |
| 1968 | 337 |
| 1969 | 434 |
| 1970 | 502 |
| 1971 | 547 |
| 1972 | 495 |
| 1973 | 502 |
| 1974 | 609 |
| 1975 | 621 |
| 1976 | 584 |
| 1977 | 577 |
| 1978 | 626 |
| 1979 | 608 |
| 1980 | 583 |
| 1981 | 590 |
| 1982 | 698 |
| 1983 | 843 |
| 1984 | 838 |
| 1985 | 900 |
| 1986 | 846 |
| 1987 | 1021 |
| 1988 | 1132 |
| 1989 | 1094 |
| 1990 | 1282 |
| 1991 | 1194 |
| 1992 | 1319 |
| 1993 | 1446 |
| 1994 | 1550 |
| 1995 | 1417 |
| 1996 | 1389 |
| 1997 | 1443 |
| 1998 | 1522 |
| 1999 | 1573 |
| 2000 | 1533 |
| 2001 | 1430 |
| 2002 | 1509 |
| 2003 | 1575 |
| 2004 | 1581 |
| 2005 | 1739 |
| 2006 | 1730 |
| 2007 | 1783 |
| 2008 | 1885 |
| 2009 | 1950 |
| 2010 | 1903 |
| 2011 | 1874 |
| 2012 | 1955 |
| 2013 | 2032 |
| 2014 | 1964 |
| 2015 | 1850 |
| 2016 | 1809 |
| 2017 | 1802 |
| 2018 | 1845 |
| 2019 | 1743 |
| 2020 | 1522 |
| 2021 | 1144 |
| 2022 | 209 |
| 2023 | 138 |
| 2024 | 1787 |
| 2025 | 1321 |