1984

7.6

1993

6.5

1971

8.1

2010

5.0

2016

0.0

1989

6.7

1979

6.8

1987

5.7

1984

7.5

1983

7.0

1984

5.9

1997

3.3

1982

6.3

1978

7.2

1986

6.5

1981

9.0

1984

0.0

1985

6.5

1983

5.0