1983

9.0

2020

5.9

2023

0.0

2009

6.5

1988

5.0

1989

8.1

1989

8.5

1980

7.7

1981

6.0

1986

5.0

2012

5.3

2004

5.8

2018

4.0

2005

7.8

1974

5.9

1987

6.0

1999

7.1

2008

5.4

2015

6.5

1988

6.8

2014

7.1

1980

7.5