1978

7.0

1983

0.0

1988

0.0

2000

0.0

2019

6.2

1994

2.8

1976

10.0

1982

5.9

1976

7.0

1973

7.0

1990

7.4

2005

8.1

1992

7.5

1975

6.4

1980

6.5

1985

6.0

1976

6.8

1974

7.6

1999

7.4

1967

7.0