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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 3 |
| 1975 | 16 |
| 1976 | 11 |
| 1977 | 22 |
| 1978 | 15 |
| 1979 | 15 |
| 1980 | 15 |
| 1981 | 13 |
| 1982 | 12 |
| 1983 | 12 |
| 1984 | 8 |
| 1985 | 17 |
| 1986 | 15 |
| 1987 | 15 |
| 1988 | 20 |
| 1989 | 17 |
| 1990 | 23 |
| 1991 | 14 |
| 1992 | 21 |
| 1993 | 19 |
| 1994 | 14 |
| 1995 | 10 |
| 1996 | 16 |
| 1997 | 24 |
| 1998 | 23 |
| 1999 | 31 |
| 2000 | 29 |
| 2001 | 34 |
| 2002 | 44 |
| 2003 | 50 |
| 2004 | 48 |
| 2005 | 77 |
| 2006 | 82 |
| 2007 | 100 |
| 2008 | 108 |
| 2009 | 124 |
| 2010 | 150 |
| 2011 | 155 |
| 2012 | 154 |
| 2013 | 178 |
| 2014 | 165 |
| 2015 | 182 |
| 2016 | 154 |
| 2017 | 199 |
| 2018 | 179 |
| 2019 | 164 |
| 2020 | 169 |
| 2021 | 149 |
| 2022 | 175 |
| 2023 | 138 |
| 2024 | 56 |