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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1939 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 6 |
| 1964 | 4 |
| 1965 | 3 |
| 1966 | 5 |
| 1967 | 2 |
| 1968 | 3 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 8 |
| 1973 | 4 |
| 1974 | 7 |
| 1975 | 44 |
| 1976 | 51 |
| 1977 | 48 |
| 1978 | 44 |
| 1979 | 49 |
| 1980 | 49 |
| 1981 | 55 |
| 1982 | 70 |
| 1983 | 62 |
| 1984 | 57 |
| 1985 | 62 |
| 1986 | 68 |
| 1987 | 133 |
| 1988 | 199 |
| 1989 | 247 |
| 1990 | 255 |
| 1991 | 272 |
| 1992 | 262 |
| 1993 | 271 |
| 1994 | 276 |
| 1995 | 285 |
| 1996 | 276 |
| 1997 | 319 |
| 1998 | 375 |
| 1999 | 379 |
| 2000 | 385 |
| 2001 | 488 |
| 2002 | 474 |
| 2003 | 528 |
| 2004 | 504 |
| 2005 | 561 |
| 2006 | 690 |
| 2007 | 696 |
| 2008 | 742 |
| 2009 | 770 |
| 2010 | 846 |
| 2011 | 895 |
| 2012 | 953 |
| 2013 | 1042 |
| 2014 | 1578 |
| 2015 | 1828 |
| 2016 | 1532 |
| 2017 | 1397 |
| 2018 | 1919 |
| 2019 | 1972 |
| 2020 | 2030 |
| 2021 | 2190 |
| 2022 | 2093 |
| 2023 | 1814 |
| 2024 | 428 |