1984

6.3

2007

6.3

1976

7.0

1986

0.0

1988

8.0

2004

5.6

1959

6.9

2000

6.4

1983

3.7

2017

7.4

1984

6.0

1998

2.7

1982

9.0

1984

5.9

1998

7.4

2013

5.0

2013

5.5

2011

6.6

1997

6.1

1992

5.7