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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 6 |
| 1953 | 37 |
| 1954 | 38 |
| 1955 | 46 |
| 1956 | 53 |
| 1957 | 33 |
| 1958 | 26 |
| 1959 | 12 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 63 |
| 1966 | 92 |
| 1967 | 82 |
| 1968 | 90 |
| 1969 | 50 |
| 1970 | 77 |
| 1971 | 81 |
| 1972 | 94 |
| 1973 | 114 |
| 1974 | 95 |
| 1975 | 116 |
| 1976 | 78 |
| 1977 | 79 |
| 1978 | 93 |
| 1979 | 97 |
| 1980 | 93 |
| 1981 | 112 |
| 1982 | 91 |
| 1983 | 141 |
| 1984 | 117 |
| 1985 | 129 |
| 1986 | 129 |
| 1987 | 131 |
| 1988 | 174 |
| 1989 | 165 |
| 1990 | 156 |
| 1991 | 190 |
| 1992 | 191 |
| 1993 | 223 |
| 1994 | 249 |
| 1995 | 394 |
| 1996 | 455 |
| 1997 | 482 |
| 1998 | 571 |
| 1999 | 610 |
| 2000 | 665 |
| 2001 | 665 |
| 2002 | 690 |
| 2003 | 697 |
| 2004 | 721 |
| 2005 | 793 |
| 2006 | 841 |
| 2007 | 874 |
| 2008 | 902 |
| 2009 | 895 |
| 2010 | 872 |
| 2011 | 920 |
| 2012 | 1009 |
| 2013 | 1016 |
| 2014 | 952 |
| 2015 | 919 |
| 2016 | 927 |
| 2017 | 949 |
| 2018 | 915 |
| 2019 | 856 |
| 2020 | 834 |
| 2021 | 516 |
| 2022 | 255 |
| 2023 | 192 |
| 2024 | 57 |