2004

7.9

1977

7.1

1997

8.4

1979

6.9

1979

7.4

2001

6.9

1987

7.6

2016

4.3

1995

7.0

1946

7.8

1940

8.3

1942

6.6

1997

7.2

2006

7.5

1944

6.9

2004

5.7

1942

6.6

1941

5.1

2019

6.4

2007

7.5