Jahr
2000
2001
58
1999
47
1998
28
2002
26
2003
16
1997
10
2004
10
2005
8
1996
7
1995
5
1994
4
2006
3
2007
2
2008
2
2009
2
2010
2
2011
2
2012
2
1979
1
1980
1
1981
1
1982
1
1983
1
1984
1
1985
1
1986
1
1987
1
1988
1
1989
1
1990
1
1991
1
1992
1
1993
1
2013
1
2014
1
2015
1
2016
1
2017
1
2018
1
2019
1
2020
1
2021
1