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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1974 | 12 |
| 1975 | 22 |
| 1976 | 24 |
| 1977 | 33 |
| 1978 | 28 |
| 1979 | 24 |
| 1980 | 40 |
| 1981 | 34 |
| 1982 | 44 |
| 1983 | 33 |
| 1984 | 41 |
| 1985 | 50 |
| 1986 | 25 |
| 1987 | 37 |
| 1988 | 49 |
| 1989 | 37 |
| 1990 | 35 |
| 1991 | 33 |
| 1992 | 32 |
| 1993 | 31 |
| 1994 | 21 |
| 1995 | 12 |
| 1996 | 22 |
| 1997 | 20 |
| 1998 | 41 |
| 1999 | 40 |
| 2000 | 25 |
| 2001 | 39 |
| 2002 | 60 |
| 2003 | 83 |
| 2004 | 96 |
| 2005 | 85 |
| 2006 | 128 |
| 2007 | 193 |
| 2008 | 159 |
| 2009 | 177 |
| 2010 | 164 |
| 2011 | 175 |
| 2012 | 146 |
| 2013 | 160 |
| 2014 | 168 |
| 2015 | 193 |
| 2016 | 193 |
| 2017 | 231 |
| 2018 | 158 |
| 2019 | 220 |
| 2020 | 281 |
| 2021 | 157 |
| 2022 | 272 |
| 2023 | 239 |
| 2024 | 62 |