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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 3 |
| 1962 | 1 |
| 1966 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1974 | 6 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 6 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 14 |
| 1981 | 183 |
| 1982 | 509 |
| 1983 | 838 |
| 1984 | 965 |
| 1985 | 1027 |
| 1986 | 1196 |
| 1987 | 1465 |
| 1988 | 1602 |
| 1989 | 1879 |
| 1990 | 1915 |
| 1991 | 1991 |
| 1992 | 1838 |
| 1993 | 2255 |
| 1994 | 2264 |
| 1995 | 2392 |
| 1996 | 2045 |
| 1997 | 2010 |
| 1998 | 1891 |
| 1999 | 1692 |
| 2000 | 1530 |
| 2001 | 1461 |
| 2002 | 1407 |
| 2003 | 1419 |
| 2004 | 1591 |
| 2005 | 1366 |
| 2006 | 1651 |
| 2007 | 1611 |
| 2008 | 1748 |
| 2009 | 1781 |
| 2010 | 1703 |
| 2011 | 1658 |
| 2012 | 1758 |
| 2013 | 1755 |
| 2014 | 1689 |
| 2015 | 1568 |
| 2016 | 1439 |
| 2017 | 1607 |
| 2018 | 1684 |
| 2019 | 1604 |
| 2020 | 1595 |
| 2021 | 1295 |
| 2022 | 832 |
| 2023 | 749 |
| 2024 | 296 |