2000

6.5

1953

2.0

1965

4.0

1982

6.9

1969

7.6

1988

6.1

2007

7.7

2005

8.1

1979

7.5

1933

0.0

2016

6.8

1985

6.0

1969

4.0

1965

6.2

1975

6.3

1944

7.5

1969

6.9

1976

5.6

1976

6.4

2018

6.2