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Results by year
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results | 
|---|---|
| 1972 | 3 | 
| 1974 | 1 | 
| 1975 | 2 | 
| 1980 | 6 | 
| 1981 | 7 | 
| 1983 | 3 | 
| 1984 | 4 | 
| 1985 | 2 | 
| 1986 | 4 | 
| 1987 | 4 | 
| 1988 | 5 | 
| 1989 | 4 | 
| 1990 | 5 | 
| 1991 | 2 | 
| 1993 | 2 | 
| 1994 | 2 | 
| 1996 | 1 | 
| 1998 | 1 | 
| 1999 | 1 | 
| 2000 | 2 | 
| 2001 | 2 | 
| 2002 | 2 | 
| 2003 | 1 | 
| 2005 | 9 | 
| 2006 | 9 | 
| 2007 | 7 | 
| 2008 | 6 | 
| 2009 | 12 | 
| 2010 | 10 | 
| 2011 | 7 | 
| 2012 | 16 | 
| 2013 | 10 | 
| 2014 | 7 | 
| 2015 | 3 | 
| 2017 | 4 | 
| 2018 | 6 | 
| 2019 | 2 | 
| 2020 | 4 | 
| 2021 | 3 | 
| 2022 | 6 | 
| 2023 | 5 | 
| 2024 | 9 | 
| 2025 | 5 | 
