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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 36 |
| 1974 | 22 |
| 1975 | 37 |
| 1976 | 28 |
| 1977 | 32 |
| 1978 | 49 |
| 1979 | 46 |
| 1980 | 35 |
| 1981 | 49 |
| 1982 | 55 |
| 1983 | 59 |
| 1984 | 48 |
| 1985 | 63 |
| 1986 | 60 |
| 1987 | 70 |
| 1988 | 66 |
| 1989 | 80 |
| 1990 | 94 |
| 1991 | 76 |
| 1992 | 81 |
| 1993 | 75 |
| 1994 | 59 |
| 1995 | 69 |
| 1996 | 59 |
| 1997 | 83 |
| 1998 | 67 |
| 1999 | 77 |
| 2000 | 70 |
| 2001 | 72 |
| 2002 | 63 |
| 2003 | 88 |
| 2004 | 79 |
| 2005 | 68 |
| 2006 | 71 |
| 2007 | 53 |
| 2008 | 45 |
| 2009 | 84 |
| 2010 | 126 |
| 2011 | 143 |
| 2012 | 121 |
| 2026 | 0 |