1973

0.0

2007

6.8

1969

6.5

1981

5.9

2018

0.0

2005

8.0

1982

0.0

1974

0.0

1987

0.0

1991

7.5

1978

5.0

1975

0.0

2016

10.0

1981

5.8

1981

5.5

1999

1.0