2008

6.2

2004

5.0

1993

5.3

2017

6.0

2003

6.1

1994

7.6

1993

5.7

1984

6.0

2013

5.1

1994

4.7

1991

6.2

1995

7.2

2001

0.0

1995

5.8

2007

6.4

2005

4.4

2005

6.2

2000

5.4

2002

7.0

1983

6.6

1984

6.7

1990

3.5

1999

3.7

1992

5.0

1984

0.0

1994

6.5

2004

9.0

1988

6.2