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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 27 |
| 1974 | 38 |
| 1975 | 43 |
| 1976 | 45 |
| 1977 | 63 |
| 1978 | 101 |
| 1979 | 124 |
| 1980 | 174 |
| 1981 | 120 |
| 1982 | 108 |
| 1983 | 121 |
| 1984 | 105 |
| 1985 | 177 |
| 1986 | 137 |
| 1987 | 148 |
| 1988 | 138 |
| 1989 | 156 |
| 1990 | 167 |
| 1991 | 160 |
| 1992 | 182 |
| 1993 | 227 |
| 1994 | 154 |
| 1995 | 200 |
| 1996 | 174 |
| 1997 | 133 |
| 1998 | 135 |
| 1999 | 202 |
| 2000 | 160 |
| 2001 | 171 |
| 2002 | 179 |
| 2003 | 165 |
| 2004 | 157 |
| 2005 | 180 |
| 2006 | 203 |
| 2007 | 241 |
| 2008 | 204 |
| 2009 | 160 |
| 2010 | 168 |
| 2011 | 146 |
| 2012 | 141 |
| 2013 | 133 |
| 2014 | 141 |
| 2015 | 138 |
| 2016 | 179 |
| 2017 | 130 |
| 2018 | 114 |
| 2019 | 95 |
| 2020 | 111 |
| 2021 | 99 |
| 2022 | 91 |
| 2023 | 88 |
| 2024 | 47 |