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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 17 |
| 1963 | 15 |
| 1964 | 121 |
| 1965 | 123 |
| 1966 | 104 |
| 1967 | 89 |
| 1968 | 69 |
| 1969 | 85 |
| 1970 | 103 |
| 1971 | 97 |
| 1972 | 85 |
| 1973 | 94 |
| 1974 | 76 |
| 1975 | 99 |
| 1976 | 107 |
| 1977 | 95 |
| 1978 | 97 |
| 1979 | 96 |
| 1980 | 128 |
| 1981 | 113 |
| 1982 | 105 |
| 1983 | 102 |
| 1984 | 118 |
| 1985 | 107 |
| 1986 | 103 |
| 1987 | 128 |
| 1988 | 124 |
| 1989 | 126 |
| 1990 | 134 |
| 1991 | 65 |
| 1992 | 40 |
| 1993 | 77 |
| 1994 | 44 |
| 1995 | 82 |
| 1996 | 75 |
| 1997 | 64 |
| 1998 | 90 |
| 1999 | 90 |
| 2000 | 123 |
| 2001 | 92 |
| 2002 | 102 |
| 2003 | 72 |
| 2004 | 139 |
| 2005 | 127 |
| 2006 | 131 |
| 2007 | 151 |
| 2008 | 130 |
| 2009 | 102 |
| 2010 | 82 |
| 2011 | 89 |
| 2012 | 90 |
| 2013 | 110 |
| 2014 | 108 |
| 2015 | 115 |
| 2016 | 95 |
| 2025 | 0 |