2001

5.2

2009

6.2

1988

6.6

1942

7.1

2007

6.5

2003

7.5

2005

5.2

1988

5.2

1949

8.0

1993

7.2

1963

7.7

1946

7.8

1938

7.0

1983

7.0

2017

7.3

1990

6.1

2009

7.4

2007

5.9

1987

6.9

1978

6.7