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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1959 | 4 |
| 1960 | 6 |
| 1961 | 17 |
| 1962 | 4 |
| 1965 | 1 |
| 1966 | 2 |
| 1972 | 1 |
| 1974 | 2 |
| 1976 | 1 |
| 1979 | 2 |
| 1980 | 1 |
| 1983 | 2 |
| 1985 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 37 |
| 1991 | 63 |
| 1992 | 59 |
| 1993 | 49 |
| 1994 | 42 |
| 1995 | 43 |
| 1996 | 36 |
| 1997 | 49 |
| 1998 | 41 |
| 1999 | 37 |
| 2000 | 43 |
| 2001 | 49 |
| 2002 | 60 |
| 2003 | 62 |
| 2004 | 73 |
| 2005 | 94 |
| 2006 | 122 |
| 2007 | 128 |
| 2008 | 182 |
| 2009 | 227 |
| 2010 | 217 |
| 2011 | 299 |
| 2012 | 293 |
| 2013 | 286 |
| 2014 | 333 |
| 2015 | 369 |
| 2016 | 362 |
| 2017 | 351 |
| 2018 | 320 |
| 2019 | 334 |
| 2020 | 284 |
| 2021 | 226 |
| 2022 | 67 |
| 2023 | 69 |
| 2024 | 47 |