1968

6.8

1990

5.7

1966

6.0

1963

0.0

1992

5.0

1988

2.0

1981

0.0

1973

1.0

1985

4.0

2007

4.7

1978

0.0

1990

0.0

1978

5.7

1980

0.0

1980

7.6

1958

10.0

1984

0.0