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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 35 |
| 1959 | 84 |
| 1960 | 117 |
| 1961 | 130 |
| 1962 | 109 |
| 1963 | 97 |
| 1964 | 132 |
| 1965 | 189 |
| 1966 | 204 |
| 1967 | 210 |
| 1968 | 210 |
| 1969 | 157 |
| 1970 | 172 |
| 1971 | 187 |
| 1972 | 210 |
| 1973 | 209 |
| 1974 | 198 |
| 1975 | 247 |
| 1976 | 236 |
| 1977 | 240 |
| 1978 | 242 |
| 1979 | 234 |
| 1980 | 228 |
| 1981 | 233 |
| 1982 | 234 |
| 1983 | 177 |
| 1984 | 144 |
| 1985 | 133 |
| 1986 | 139 |
| 1987 | 125 |
| 1988 | 158 |
| 1989 | 143 |
| 1990 | 139 |
| 1991 | 119 |
| 1992 | 87 |
| 1993 | 106 |
| 1994 | 113 |
| 1995 | 111 |
| 1996 | 135 |
| 1997 | 137 |
| 1998 | 125 |
| 1999 | 125 |
| 2000 | 160 |
| 2001 | 175 |
| 2002 | 156 |
| 2003 | 148 |
| 2004 | 137 |
| 2005 | 148 |
| 2006 | 148 |
| 2007 | 148 |
| 2008 | 151 |
| 2009 | 140 |
| 2010 | 145 |
| 2011 | 130 |
| 2012 | 129 |
| 2013 | 120 |
| 2014 | 135 |
| 2015 | 146 |
| 2016 | 24 |
| 2024 | 0 |