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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 24 |
| 1972 | 26 |
| 1973 | 33 |
| 1974 | 27 |
| 1975 | 28 |
| 1976 | 39 |
| 1977 | 53 |
| 1978 | 47 |
| 1979 | 54 |
| 1980 | 47 |
| 1981 | 68 |
| 1982 | 75 |
| 1983 | 80 |
| 1984 | 123 |
| 1985 | 111 |
| 1986 | 128 |
| 1987 | 126 |
| 1988 | 116 |
| 1989 | 108 |
| 1990 | 115 |
| 1991 | 115 |
| 1992 | 117 |
| 1993 | 120 |
| 1994 | 112 |
| 1995 | 89 |
| 1996 | 91 |
| 1997 | 101 |
| 1998 | 101 |
| 1999 | 99 |
| 2000 | 96 |
| 2001 | 124 |
| 2002 | 134 |
| 2003 | 132 |
| 2004 | 134 |
| 2005 | 105 |
| 2006 | 118 |
| 2007 | 102 |
| 2008 | 122 |
| 2009 | 161 |
| 2010 | 156 |
| 2011 | 205 |
| 2012 | 218 |
| 2013 | 245 |
| 2014 | 249 |
| 2015 | 283 |
| 2016 | 214 |
| 2017 | 208 |
| 2018 | 222 |
| 2019 | 218 |
| 2020 | 251 |
| 2021 | 250 |
| 2022 | 184 |
| 2023 | 207 |
| 2024 | 118 |