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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1935 | 2 |
| 1936 | 1 |
| 1940 | 1 |
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 3 |
| 1950 | 1 |
| 1961 | 5 |
| 1962 | 2 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 2 |
| 1966 | 4 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 2 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 4 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 5 |
| 1985 | 4 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 10 |
| 1989 | 15 |
| 1990 | 15 |
| 1991 | 19 |
| 1992 | 24 |
| 1993 | 19 |
| 1994 | 29 |
| 1995 | 14 |
| 1996 | 34 |
| 1997 | 23 |
| 1998 | 34 |
| 1999 | 42 |
| 2000 | 46 |
| 2001 | 65 |
| 2002 | 71 |
| 2003 | 93 |
| 2004 | 117 |
| 2005 | 153 |
| 2006 | 174 |
| 2007 | 205 |
| 2008 | 220 |
| 2009 | 278 |
| 2010 | 309 |
| 2011 | 377 |
| 2012 | 405 |
| 2013 | 461 |
| 2014 | 435 |
| 2015 | 472 |
| 2016 | 498 |
| 2017 | 562 |
| 2018 | 551 |
| 2019 | 528 |
| 2020 | 581 |
| 2021 | 573 |
| 2022 | 540 |
| 2023 | 58 |