1992

7.4

1959

6.1

1971

7.2

2006

7.5

1995

6.7

1941

7.0

1980

5.5

1927

7.8

1998

6.6

1965

6.8

2014

7.5

1994

7.9

1983

7.9

1958

6.5

1944

5.0

1985

7.2

2007

6.3

1927

0.0

1999

6.1

2017

6.2