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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1942 | 2 |
| 1944 | 3 |
| 1947 | 1 |
| 1949 | 1 |
| 1950 | 3 |
| 1952 | 3 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 3 |
| 1960 | 4 |
| 1961 | 5 |
| 1962 | 6 |
| 1963 | 5 |
| 1964 | 10 |
| 1965 | 5 |
| 1966 | 6 |
| 1967 | 5 |
| 1968 | 11 |
| 1969 | 8 |
| 1970 | 10 |
| 1971 | 8 |
| 1972 | 10 |
| 1973 | 38 |
| 1974 | 65 |
| 1975 | 144 |
| 1976 | 199 |
| 1977 | 256 |
| 1978 | 319 |
| 1979 | 370 |
| 1980 | 427 |
| 1981 | 370 |
| 1982 | 438 |
| 1983 | 424 |
| 1984 | 496 |
| 1985 | 486 |
| 1986 | 508 |
| 1987 | 559 |
| 1988 | 623 |
| 1989 | 731 |
| 1990 | 815 |
| 1991 | 1081 |
| 1992 | 1257 |
| 1993 | 1288 |
| 1994 | 1410 |
| 1995 | 1441 |
| 1996 | 1551 |
| 1997 | 1859 |
| 1998 | 2048 |
| 1999 | 2122 |
| 2000 | 2241 |
| 2001 | 2513 |
| 2002 | 2552 |
| 2003 | 2868 |
| 2004 | 3098 |
| 2005 | 3413 |
| 2006 | 4006 |
| 2007 | 4457 |
| 2008 | 4837 |
| 2009 | 4986 |
| 2010 | 5583 |
| 2011 | 6106 |
| 2012 | 6574 |
| 2013 | 7418 |
| 2014 | 8109 |
| 2015 | 8669 |
| 2016 | 8548 |
| 2017 | 8760 |
| 2018 | 9420 |
| 2019 | 9579 |
| 2020 | 7607 |
| 2021 | 4365 |
| 2022 | 1779 |
| 2023 | 1194 |
| 2024 | 346 |