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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1950 | 16 |
| 1953 | 70 |
| 1954 | 99 |
| 1955 | 164 |
| 1956 | 168 |
| 1957 | 162 |
| 1958 | 162 |
| 1959 | 150 |
| 1960 | 132 |
| 1961 | 161 |
| 1962 | 204 |
| 1963 | 166 |
| 1964 | 156 |
| 1965 | 126 |
| 1966 | 64 |
| 1967 | 75 |
| 1968 | 98 |
| 1969 | 148 |
| 1970 | 138 |
| 1971 | 139 |
| 1972 | 160 |
| 1973 | 146 |
| 1974 | 127 |
| 1975 | 135 |
| 1976 | 124 |
| 1977 | 140 |
| 1978 | 150 |
| 1979 | 140 |
| 1980 | 129 |
| 1981 | 107 |
| 1982 | 126 |
| 1983 | 129 |
| 1984 | 131 |
| 1985 | 132 |
| 1986 | 123 |
| 1987 | 151 |
| 1988 | 148 |
| 1989 | 175 |
| 1990 | 164 |
| 1991 | 135 |
| 1993 | 113 |
| 1994 | 77 |
| 1995 | 105 |
| 1996 | 80 |
| 1997 | 98 |
| 1998 | 94 |
| 1999 | 94 |
| 2000 | 71 |
| 2001 | 43 |
| 2002 | 27 |
| 2003 | 63 |
| 2004 | 72 |
| 2005 | 51 |
| 2006 | 73 |
| 2007 | 68 |
| 2008 | 25 |
| 2009 | 49 |
| 2010 | 49 |
| 2011 | 16 |
| 2013 | 28 |
| 2014 | 30 |
| 2015 | 16 |
| 2016 | 16 |
| 2025 | 0 |