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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 1 |
| 1952 | 2 |
| 1954 | 1 |
| 1956 | 2 |
| 1957 | 3 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 8 |
| 1963 | 8 |
| 1964 | 25 |
| 1965 | 15 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 37 |
| 1969 | 37 |
| 1970 | 58 |
| 1971 | 68 |
| 1972 | 84 |
| 1973 | 97 |
| 1974 | 68 |
| 1975 | 58 |
| 1976 | 62 |
| 1977 | 64 |
| 1978 | 68 |
| 1979 | 45 |
| 1980 | 62 |
| 1981 | 38 |
| 1982 | 31 |
| 1983 | 26 |
| 1984 | 46 |
| 1985 | 47 |
| 1986 | 53 |
| 1987 | 44 |
| 1988 | 50 |
| 1989 | 65 |
| 1990 | 55 |
| 1991 | 58 |
| 1992 | 60 |
| 1993 | 79 |
| 1994 | 62 |
| 1995 | 70 |
| 1996 | 80 |
| 1997 | 83 |
| 1998 | 128 |
| 1999 | 121 |
| 2000 | 159 |
| 2001 | 178 |
| 2002 | 170 |
| 2003 | 207 |
| 2004 | 325 |
| 2005 | 446 |
| 2006 | 434 |
| 2007 | 515 |
| 2008 | 610 |
| 2009 | 675 |
| 2010 | 854 |
| 2011 | 1033 |
| 2012 | 1012 |
| 2013 | 1131 |
| 2014 | 1207 |
| 2015 | 1240 |
| 2016 | 1213 |
| 2017 | 1209 |
| 2018 | 1342 |
| 2019 | 1222 |
| 2020 | 1107 |
| 2021 | 915 |
| 2022 | 779 |
| 2023 | 641 |
| 2024 | 178 |