1999

7.3

1987

4.5

1988

7.4

2014

9.0

1993

3.8

1997

0.0

2017

6.7

2017

2.0

2006

5.3

2006

6.2

1985

4.1

1968

6.1

2019

6.0

1985

7.4

2017

0.0

2017

9.0

2002

7.6

2008

7.6

2000

0.0

1998

6.0