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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 56 |
| 1953 | 48 |
| 1954 | 35 |
| 1955 | 26 |
| 1961 | 2 |
| 1965 | 94 |
| 1966 | 75 |
| 1967 | 82 |
| 1968 | 93 |
| 1969 | 67 |
| 1970 | 58 |
| 1971 | 31 |
| 1972 | 24 |
| 1973 | 23 |
| 1974 | 25 |
| 1975 | 22 |
| 1976 | 25 |
| 1977 | 23 |
| 1978 | 30 |
| 1979 | 36 |
| 1980 | 56 |
| 1981 | 83 |
| 1982 | 116 |
| 1983 | 129 |
| 1984 | 143 |
| 1985 | 148 |
| 1986 | 190 |
| 1987 | 150 |
| 1988 | 162 |
| 1989 | 207 |
| 1990 | 178 |
| 1991 | 123 |
| 1992 | 78 |
| 1993 | 72 |
| 1994 | 85 |
| 1995 | 72 |
| 1996 | 80 |
| 1997 | 85 |
| 1998 | 86 |
| 1999 | 86 |
| 2000 | 64 |
| 2001 | 49 |
| 2002 | 62 |
| 2003 | 71 |
| 2004 | 73 |
| 2005 | 69 |
| 2006 | 60 |
| 2007 | 57 |
| 2008 | 63 |
| 2009 | 60 |
| 2010 | 69 |
| 2011 | 62 |
| 2012 | 54 |
| 2013 | 66 |
| 2014 | 60 |
| 2015 | 32 |
| 2016 | 62 |
| 2017 | 42 |
| 2018 | 41 |
| 2019 | 51 |
| 2020 | 52 |
| 2024 | 0 |