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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 51 |
| 1957 | 101 |
| 1958 | 99 |
| 1959 | 71 |
| 1960 | 85 |
| 1961 | 87 |
| 1962 | 53 |
| 1963 | 1 |
| 1964 | 5 |
| 1965 | 178 |
| 1966 | 285 |
| 1967 | 350 |
| 1968 | 386 |
| 1969 | 323 |
| 1970 | 416 |
| 1971 | 430 |
| 1972 | 412 |
| 1973 | 443 |
| 1974 | 491 |
| 1975 | 482 |
| 1976 | 436 |
| 1977 | 480 |
| 1978 | 510 |
| 1979 | 713 |
| 1980 | 855 |
| 1981 | 812 |
| 1982 | 897 |
| 1983 | 983 |
| 1984 | 1059 |
| 1985 | 1086 |
| 1986 | 1140 |
| 1987 | 1074 |
| 1988 | 1133 |
| 1989 | 1233 |
| 1990 | 1286 |
| 1991 | 1233 |
| 1992 | 1345 |
| 1993 | 1342 |
| 1994 | 1448 |
| 1995 | 1462 |
| 1996 | 1422 |
| 1997 | 1465 |
| 1998 | 1567 |
| 1999 | 1537 |
| 2000 | 1618 |
| 2001 | 1687 |
| 2002 | 1795 |
| 2003 | 1822 |
| 2004 | 2086 |
| 2005 | 2217 |
| 2006 | 2409 |
| 2007 | 2482 |
| 2008 | 2686 |
| 2009 | 2977 |
| 2010 | 3392 |
| 2011 | 3720 |
| 2012 | 4057 |
| 2013 | 4477 |
| 2014 | 4869 |
| 2015 | 5144 |
| 2016 | 4829 |
| 2017 | 4883 |
| 2018 | 5097 |
| 2019 | 5431 |
| 2020 | 5794 |
| 2021 | 5418 |
| 2022 | 4619 |
| 2023 | 4244 |
| 2024 | 2718 |