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1820
4
1972
2
1974
1
1990
4
1992
4
1995
1
1996
20
1997
19
1998
1
2000
195
2002
11
2004
1
2005
3
2006
19
2007
35
2008
20
2009
9
2010
13
2011
2
2012
8