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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 4 |
| 1976 | 4 |
| 1977 | 5 |
| 1978 | 9 |
| 1979 | 21 |
| 1980 | 27 |
| 1981 | 47 |
| 1982 | 54 |
| 1983 | 68 |
| 1984 | 75 |
| 1985 | 119 |
| 1986 | 108 |
| 1987 | 131 |
| 1988 | 123 |
| 1989 | 132 |
| 1990 | 146 |
| 1991 | 116 |
| 1992 | 148 |
| 1993 | 151 |
| 1994 | 133 |
| 1995 | 147 |
| 1996 | 141 |
| 1997 | 121 |
| 1998 | 122 |
| 1999 | 106 |
| 2000 | 111 |
| 2001 | 92 |
| 2002 | 101 |
| 2003 | 106 |
| 2004 | 125 |
| 2005 | 110 |
| 2006 | 134 |
| 2007 | 140 |
| 2008 | 144 |
| 2009 | 152 |
| 2010 | 184 |
| 2011 | 202 |
| 2012 | 207 |
| 2013 | 229 |
| 2014 | 262 |
| 2015 | 245 |
| 2016 | 263 |
| 2017 | 278 |
| 2018 | 256 |
| 2019 | 284 |
| 2020 | 263 |
| 2021 | 245 |
| 2022 | 171 |
| 2023 | 144 |
| 2024 | 222 |