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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 121 |
| 1958 | 140 |
| 1959 | 127 |
| 1960 | 99 |
| 1961 | 85 |
| 1962 | 124 |
| 1963 | 86 |
| 1964 | 78 |
| 1965 | 92 |
| 1966 | 82 |
| 1967 | 108 |
| 1968 | 101 |
| 1969 | 79 |
| 1970 | 92 |
| 1971 | 121 |
| 1972 | 103 |
| 1973 | 115 |
| 1974 | 72 |
| 1975 | 38 |
| 1976 | 34 |
| 1977 | 12 |
| 1978 | 24 |
| 1979 | 37 |
| 1980 | 32 |
| 1981 | 26 |
| 1982 | 20 |
| 1983 | 26 |
| 1984 | 27 |
| 1985 | 23 |
| 1986 | 28 |
| 1987 | 29 |
| 1988 | 34 |
| 1989 | 34 |
| 1990 | 32 |
| 1991 | 41 |
| 1992 | 45 |
| 1993 | 39 |
| 1994 | 47 |
| 1995 | 31 |
| 1996 | 59 |
| 1997 | 68 |
| 1998 | 85 |
| 1999 | 75 |
| 2000 | 84 |
| 2001 | 81 |
| 2002 | 74 |
| 2003 | 97 |
| 2004 | 103 |
| 2005 | 105 |
| 2006 | 110 |
| 2007 | 108 |
| 2008 | 108 |
| 2009 | 109 |
| 2010 | 85 |
| 2011 | 78 |
| 2012 | 46 |
| 2013 | 26 |
| 2024 | 0 |