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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1971 | 12 |
| 1972 | 19 |
| 1973 | 17 |
| 1974 | 27 |
| 1975 | 32 |
| 1976 | 36 |
| 1977 | 25 |
| 1978 | 30 |
| 1979 | 39 |
| 1980 | 41 |
| 1981 | 36 |
| 1982 | 22 |
| 1983 | 34 |
| 1984 | 26 |
| 1985 | 38 |
| 1986 | 37 |
| 1987 | 48 |
| 1988 | 44 |
| 1989 | 75 |
| 1990 | 64 |
| 1991 | 66 |
| 1992 | 91 |
| 1993 | 141 |
| 1994 | 166 |
| 1995 | 201 |
| 1996 | 186 |
| 1997 | 197 |
| 1998 | 172 |
| 1999 | 123 |
| 2000 | 118 |
| 2001 | 124 |
| 2002 | 142 |
| 2003 | 149 |
| 2004 | 191 |
| 2005 | 144 |
| 2006 | 181 |
| 2007 | 156 |
| 2008 | 160 |
| 2009 | 130 |
| 2010 | 138 |
| 2011 | 146 |
| 2012 | 175 |
| 2013 | 158 |
| 2014 | 159 |
| 2015 | 154 |
| 2016 | 106 |
| 2017 | 67 |
| 2018 | 75 |
| 2019 | 63 |
| 2020 | 64 |
| 2021 | 45 |
| 2022 | 7 |
| 2024 | 0 |