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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 33 |
| 1970 | 40 |
| 1971 | 49 |
| 1972 | 54 |
| 1973 | 52 |
| 1974 | 62 |
| 1975 | 52 |
| 1976 | 59 |
| 1977 | 71 |
| 1978 | 65 |
| 1979 | 62 |
| 1980 | 62 |
| 1981 | 62 |
| 1982 | 68 |
| 1983 | 67 |
| 1984 | 69 |
| 1985 | 70 |
| 1986 | 90 |
| 1987 | 108 |
| 1988 | 119 |
| 1989 | 120 |
| 1990 | 137 |
| 1991 | 136 |
| 1992 | 133 |
| 1993 | 127 |
| 1994 | 124 |
| 1995 | 141 |
| 1996 | 134 |
| 1997 | 148 |
| 1998 | 153 |
| 1999 | 132 |
| 2000 | 163 |
| 2001 | 235 |
| 2002 | 256 |
| 2003 | 224 |
| 2004 | 209 |
| 2005 | 201 |
| 2006 | 235 |
| 2007 | 241 |
| 2008 | 177 |
| 2009 | 151 |
| 2010 | 223 |
| 2011 | 228 |
| 2012 | 237 |
| 2013 | 194 |
| 2014 | 156 |
| 2026 | 0 |