1980

7.3

1989

8.1

1984

8.1

1974

7.5

2013

6.8

1985

6.7

1957

5.0

1998

0.0

1984

6.5

2018

0.0

2002

7.9

1960

4.1

1986

5.5

2007

7.7

2008

3.5

1999

9.5

1967

6.7

1969

7.0

2007

7.5

1984

6.2