2018

8.5

2007

5.7

2008

5.4

1989

7.5

2016

0.0

2006

7.3

2006

5.0

1998

5.3

2004

7.2

1980

7.7

2007

6.5

2016

5.2

2016

8.0

1984

6.6

2001

5.4

1987

4.5

1965

6.9

2018

6.4

2001

6.0

1985

6.5