2017

6.7

2002

6.0

2005

5.1

2006

6.2

1985

7.4

2017

9.0

1988

6.6

1988

7.4

2006

5.3

2004

5.5

1993

3.8

1968

6.1

2019

6.0

1987

4.5

2000

0.0

1999

7.3

1997

0.0

1998

6.0

1985

4.1

2017

6.0