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1981
39
2007
28
2008
23
2009
15
1961
13
1971
13
2006
10
2011
10
1997
6
2004
5
2005
5
2000
3
2012
3
1994
2
1998
2
2001
2
2003
2
2010
2
2013
2
1940
1