1982

5.7

2012

4.3

1984

7.1

1988

3.7

0.0

1982

5.1

1983

4.4

1963

6.0

1981

4.7

2013

7.5

1968

7.0

2011

5.2

1982

6.4

2005

5.9

2016

6.2