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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 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 6 |
| 1954 | 2 |
| 1955 | 4 |
| 1956 | 9 |
| 1957 | 8 |
| 1958 | 10 |
| 1959 | 24 |
| 1960 | 36 |
| 1961 | 38 |
| 1962 | 29 |
| 1963 | 4 |
| 1964 | 4 |
| 1965 | 98 |
| 1966 | 197 |
| 1967 | 299 |
| 1968 | 418 |
| 1969 | 430 |
| 1970 | 500 |
| 1971 | 641 |
| 1972 | 641 |
| 1973 | 731 |
| 1974 | 737 |
| 1975 | 763 |
| 1976 | 705 |
| 1977 | 731 |
| 1978 | 743 |
| 1979 | 761 |
| 1980 | 871 |
| 1981 | 915 |
| 1982 | 978 |
| 1983 | 1107 |
| 1984 | 1232 |
| 1985 | 1305 |
| 1986 | 1332 |
| 1987 | 1333 |
| 1988 | 1436 |
| 1989 | 1684 |
| 1990 | 1777 |
| 1991 | 1892 |
| 1992 | 1976 |
| 1993 | 2192 |
| 1994 | 2468 |
| 1995 | 2539 |
| 1996 | 2351 |
| 1997 | 2583 |
| 1998 | 2662 |
| 1999 | 2943 |
| 2000 | 3031 |
| 2001 | 3353 |
| 2002 | 3284 |
| 2003 | 3611 |
| 2004 | 3723 |
| 2005 | 4037 |
| 2006 | 4340 |
| 2007 | 4464 |
| 2008 | 4771 |
| 2009 | 5000 |
| 2010 | 5444 |
| 2011 | 6302 |
| 2012 | 6608 |
| 2013 | 7000 |
| 2014 | 7423 |
| 2015 | 7482 |
| 2016 | 7047 |
| 2017 | 6794 |
| 2018 | 7052 |
| 2019 | 7732 |
| 2020 | 7962 |
| 2021 | 7310 |
| 2022 | 5601 |
| 2023 | 5252 |
| 2024 | 2298 |