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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 3 |
| 1964 | 1 |
| 1965 | 2 |
| 1967 | 4 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 3 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 1 |
| 1981 | 2 |
| 1982 | 4 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 6 |
| 1987 | 9 |
| 1988 | 2 |
| 1989 | 10 |
| 1990 | 6 |
| 1991 | 9 |
| 1992 | 22 |
| 1993 | 23 |
| 1994 | 22 |
| 1995 | 39 |
| 1996 | 37 |
| 1997 | 36 |
| 1998 | 61 |
| 1999 | 76 |
| 2000 | 104 |
| 2001 | 130 |
| 2002 | 156 |
| 2003 | 194 |
| 2004 | 236 |
| 2005 | 357 |
| 2006 | 473 |
| 2007 | 625 |
| 2008 | 776 |
| 2009 | 863 |
| 2010 | 1079 |
| 2011 | 1321 |
| 2012 | 1459 |
| 2013 | 1636 |
| 2014 | 1670 |
| 2015 | 1860 |
| 2016 | 1834 |
| 2017 | 1852 |
| 2018 | 1938 |
| 2019 | 2105 |
| 2020 | 2351 |
| 2021 | 2627 |
| 2022 | 2469 |
| 2023 | 265 |