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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 4 |
| 1949 | 1 |
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 5 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 5 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 3 |
| 1971 | 1 |
| 1972 | 1 |
| 1974 | 5 |
| 1975 | 13 |
| 1976 | 248 |
| 1977 | 717 |
| 1978 | 917 |
| 1979 | 1035 |
| 1980 | 1158 |
| 1981 | 1195 |
| 1982 | 1306 |
| 1983 | 1248 |
| 1984 | 1239 |
| 1985 | 1340 |
| 1986 | 1450 |
| 1987 | 1356 |
| 1988 | 1363 |
| 1989 | 1596 |
| 1990 | 1769 |
| 1991 | 1884 |
| 1992 | 2147 |
| 1993 | 2253 |
| 1994 | 2477 |
| 1995 | 2718 |
| 1996 | 3120 |
| 1997 | 3938 |
| 1998 | 4486 |
| 1999 | 5157 |
| 2000 | 6027 |
| 2001 | 6337 |
| 2002 | 6633 |
| 2003 | 7003 |
| 2004 | 7250 |
| 2005 | 6598 |
| 2006 | 5822 |
| 2007 | 5555 |
| 2008 | 5534 |
| 2009 | 5851 |
| 2010 | 5993 |
| 2011 | 6380 |
| 2012 | 6317 |
| 2013 | 6420 |
| 2014 | 6309 |
| 2015 | 6452 |
| 2016 | 5443 |
| 2017 | 5361 |
| 2018 | 5094 |
| 2019 | 5196 |
| 2020 | 5162 |
| 2021 | 4866 |
| 2022 | 3802 |
| 2023 | 3063 |
| 2024 | 1809 |