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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 4 |
| 1952 | 19 |
| 1953 | 2 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 2 |
| 1961 | 2 |
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 3 |
| 1969 | 3 |
| 1970 | 5 |
| 1971 | 5 |
| 1972 | 2 |
| 1973 | 3 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 3 |
| 1977 | 6 |
| 1978 | 5 |
| 1979 | 11 |
| 1980 | 33 |
| 1981 | 15 |
| 1982 | 7 |
| 1983 | 17 |
| 1984 | 13 |
| 1985 | 2 |
| 1986 | 17 |
| 1987 | 8 |
| 1988 | 14 |
| 1989 | 25 |
| 1990 | 23 |
| 1991 | 28 |
| 1992 | 28 |
| 1993 | 38 |
| 1994 | 24 |
| 1995 | 48 |
| 1996 | 59 |
| 1997 | 63 |
| 1998 | 75 |
| 1999 | 96 |
| 2000 | 97 |
| 2001 | 184 |
| 2002 | 355 |
| 2003 | 543 |
| 2004 | 738 |
| 2005 | 971 |
| 2006 | 914 |
| 2007 | 1039 |
| 2008 | 1201 |
| 2009 | 1188 |
| 2010 | 1258 |
| 2011 | 1335 |
| 2012 | 1404 |
| 2013 | 1919 |
| 2014 | 3648 |
| 2015 | 4741 |
| 2016 | 4899 |
| 2017 | 4933 |
| 2018 | 5803 |
| 2019 | 6199 |
| 2020 | 6531 |
| 2021 | 6698 |
| 2022 | 6666 |
| 2023 | 7123 |
| 2024 | 3177 |