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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 25 |
| 1948 | 14 |
| 1961 | 3 |
| 1965 | 169 |
| 1966 | 402 |
| 1967 | 369 |
| 1968 | 232 |
| 1969 | 218 |
| 1970 | 172 |
| 1971 | 126 |
| 1972 | 133 |
| 1973 | 93 |
| 1974 | 109 |
| 1975 | 97 |
| 1976 | 94 |
| 1977 | 110 |
| 1978 | 73 |
| 1979 | 83 |
| 1980 | 64 |
| 1981 | 60 |
| 1982 | 57 |
| 1983 | 59 |
| 1984 | 43 |
| 1985 | 57 |
| 1986 | 77 |
| 1987 | 50 |
| 1988 | 58 |
| 1989 | 64 |
| 1990 | 65 |
| 1991 | 45 |
| 1992 | 37 |
| 1993 | 42 |
| 1994 | 31 |
| 1995 | 31 |
| 1996 | 34 |
| 1997 | 37 |
| 1998 | 34 |
| 1999 | 61 |
| 2000 | 103 |
| 2001 | 77 |
| 2002 | 103 |
| 2003 | 107 |
| 2004 | 108 |
| 2005 | 108 |
| 2006 | 146 |
| 2007 | 182 |
| 2008 | 212 |
| 2009 | 185 |
| 2010 | 145 |
| 2011 | 139 |
| 2012 | 141 |
| 2013 | 137 |
| 2014 | 125 |
| 2015 | 75 |
| 2016 | 102 |
| 2017 | 109 |
| 2018 | 61 |
| 2019 | 64 |
| 2020 | 51 |
| 2021 | 69 |
| 2022 | 48 |
| 2023 | 55 |
| 2024 | 26 |