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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 33 |
| 1967 | 137 |
| 1968 | 137 |
| 1969 | 29 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 17 |
| 1973 | 60 |
| 1974 | 53 |
| 1975 | 4 |
| 1976 | 3 |
| 1977 | 11 |
| 1978 | 41 |
| 1979 | 3 |
| 1980 | 21 |
| 1981 | 46 |
| 1982 | 11 |
| 1983 | 29 |
| 1984 | 58 |
| 1985 | 58 |
| 1986 | 37 |
| 1987 | 21 |
| 1988 | 6 |
| 1989 | 44 |
| 1990 | 139 |
| 1991 | 56 |
| 1992 | 16 |
| 1993 | 58 |
| 1994 | 23 |
| 1995 | 42 |
| 1996 | 34 |
| 1997 | 17 |
| 1998 | 1 |
| 1999 | 26 |
| 2000 | 7 |
| 2001 | 30 |
| 2002 | 6 |
| 2003 | 1 |
| 2005 | 20 |
| 2008 | 21 |
| 2010 | 23 |
| 2012 | 23 |
| 2014 | 18 |
| 2016 | 26 |
| 2024 | 0 |