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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1955 | 1 |
| 1956 | 32 |
| 1957 | 96 |
| 1958 | 102 |
| 1959 | 41 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 4 |
| 1964 | 20 |
| 1965 | 276 |
| 1966 | 440 |
| 1967 | 480 |
| 1968 | 547 |
| 1969 | 625 |
| 1970 | 646 |
| 1971 | 778 |
| 1972 | 728 |
| 1973 | 728 |
| 1974 | 771 |
| 1975 | 759 |
| 1976 | 779 |
| 1977 | 935 |
| 1978 | 1175 |
| 1979 | 1264 |
| 1980 | 1322 |
| 1981 | 1455 |
| 1982 | 1652 |
| 1983 | 1515 |
| 1984 | 1323 |
| 1985 | 1315 |
| 1986 | 1263 |
| 1987 | 1180 |
| 1988 | 1169 |
| 1989 | 1446 |
| 1990 | 1460 |
| 1991 | 1496 |
| 1992 | 1479 |
| 1993 | 1434 |
| 1994 | 1682 |
| 1995 | 2450 |
| 1996 | 4197 |
| 1997 | 4076 |
| 1998 | 4341 |
| 1999 | 4595 |
| 2000 | 5140 |
| 2001 | 5376 |
| 2002 | 5871 |
| 2003 | 6684 |
| 2004 | 7017 |
| 2005 | 7735 |
| 2006 | 8820 |
| 2007 | 9845 |
| 2008 | 10190 |
| 2009 | 11487 |
| 2010 | 12875 |
| 2011 | 13491 |
| 2012 | 14117 |
| 2013 | 14270 |
| 2014 | 14791 |
| 2015 | 15815 |
| 2016 | 15038 |
| 2017 | 14636 |
| 2018 | 14577 |
| 2019 | 15095 |
| 2020 | 15565 |
| 2021 | 13788 |
| 2022 | 8136 |
| 2023 | 7307 |
| 2024 | 6043 |