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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1939 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1962 | 2 |
| 1963 | 1 |
| 1964 | 5 |
| 1965 | 4 |
| 1966 | 1 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 4 |
| 1972 | 2 |
| 1973 | 5 |
| 1974 | 10 |
| 1975 | 13 |
| 1976 | 16 |
| 1977 | 15 |
| 1978 | 20 |
| 1979 | 25 |
| 1980 | 14 |
| 1981 | 15 |
| 1982 | 10 |
| 1983 | 17 |
| 1984 | 32 |
| 1985 | 48 |
| 1986 | 49 |
| 1987 | 41 |
| 1988 | 50 |
| 1989 | 53 |
| 1990 | 85 |
| 1991 | 55 |
| 1992 | 72 |
| 1993 | 63 |
| 1994 | 85 |
| 1995 | 102 |
| 1996 | 110 |
| 1997 | 104 |
| 1998 | 108 |
| 1999 | 131 |
| 2000 | 164 |
| 2001 | 138 |
| 2002 | 159 |
| 2003 | 198 |
| 2004 | 225 |
| 2005 | 235 |
| 2006 | 252 |
| 2007 | 277 |
| 2008 | 319 |
| 2009 | 332 |
| 2010 | 427 |
| 2011 | 429 |
| 2012 | 465 |
| 2013 | 495 |
| 2014 | 496 |
| 2015 | 523 |
| 2016 | 525 |
| 2017 | 538 |
| 2018 | 589 |
| 2019 | 559 |
| 2020 | 647 |
| 2021 | 764 |
| 2022 | 790 |
| 2023 | 202 |