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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 31 |
| 1955 | 32 |
| 1956 | 37 |
| 1957 | 30 |
| 1958 | 31 |
| 1959 | 44 |
| 1960 | 36 |
| 1961 | 26 |
| 1962 | 32 |
| 1963 | 39 |
| 1964 | 36 |
| 1965 | 32 |
| 1966 | 33 |
| 1967 | 13 |
| 1968 | 34 |
| 1969 | 30 |
| 1970 | 36 |
| 1971 | 47 |
| 1974 | 40 |
| 1975 | 39 |
| 1976 | 36 |
| 1977 | 34 |
| 1978 | 36 |
| 1979 | 42 |
| 1980 | 49 |
| 1981 | 39 |
| 1982 | 40 |
| 1983 | 50 |
| 1984 | 51 |
| 1985 | 58 |
| 1986 | 62 |
| 1987 | 57 |
| 1988 | 57 |
| 1989 | 59 |
| 1990 | 54 |
| 1991 | 49 |
| 1992 | 57 |
| 1993 | 59 |
| 1994 | 50 |
| 1995 | 48 |
| 1996 | 43 |
| 1997 | 33 |
| 1998 | 61 |
| 1999 | 72 |
| 2000 | 107 |
| 2001 | 124 |
| 2002 | 99 |
| 2003 | 91 |
| 2004 | 101 |
| 2005 | 96 |
| 2006 | 104 |
| 2007 | 118 |
| 2008 | 119 |
| 2009 | 129 |
| 2010 | 156 |
| 2011 | 155 |
| 2012 | 188 |
| 2013 | 194 |
| 2014 | 197 |
| 2015 | 198 |
| 2016 | 12 |
| 2017 | 1 |
| 2025 | 0 |