1979

0.0

1984

7.7

2007

6.3

2000

4.7

1936

4.7

1983

6.6

1991

0.0

1996

0.0

1984

0.0

2016

6.5

2016

4.5

1984

5.9

1953

6.3

1997

4.8

1982

6.7

1953

7.0

1998

2.7

1964

6.6

2007

6.8

2006

6.7