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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 2 |
| 1955 | 13 |
| 1956 | 23 |
| 1957 | 11 |
| 1958 | 18 |
| 1959 | 20 |
| 1960 | 26 |
| 1961 | 26 |
| 1962 | 25 |
| 1963 | 38 |
| 1964 | 112 |
| 1965 | 151 |
| 1966 | 240 |
| 1967 | 437 |
| 1968 | 506 |
| 1969 | 676 |
| 1970 | 824 |
| 1971 | 1150 |
| 1972 | 1327 |
| 1973 | 1341 |
| 1974 | 1320 |
| 1975 | 1193 |
| 1976 | 886 |
| 1977 | 799 |
| 1978 | 706 |
| 1979 | 703 |
| 1980 | 758 |
| 1981 | 721 |
| 1982 | 722 |
| 1983 | 670 |
| 1984 | 642 |
| 1985 | 648 |
| 1986 | 618 |
| 1987 | 591 |
| 1988 | 650 |
| 1989 | 722 |
| 1990 | 699 |
| 1991 | 803 |
| 1992 | 889 |
| 1993 | 870 |
| 1994 | 860 |
| 1995 | 897 |
| 1996 | 884 |
| 1997 | 934 |
| 1998 | 1011 |
| 1999 | 1019 |
| 2000 | 1188 |
| 2001 | 1117 |
| 2002 | 1178 |
| 2003 | 1324 |
| 2004 | 1441 |
| 2005 | 1494 |
| 2006 | 1571 |
| 2007 | 1602 |
| 2008 | 1771 |
| 2009 | 1841 |
| 2010 | 1938 |
| 2011 | 2004 |
| 2012 | 1686 |
| 2013 | 1651 |
| 2014 | 1532 |
| 2015 | 1507 |
| 2016 | 1409 |
| 2017 | 1374 |
| 2018 | 1393 |
| 2019 | 1478 |
| 2020 | 1492 |
| 2021 | 1346 |
| 2022 | 1045 |
| 2023 | 844 |
| 2024 | 275 |