2001

7.4

2022

3.0

1952

7.6

1949

7.6

2021

6.0

2008

5.4

1993

6.7

1985

8.0

1973

6.8

1983

6.9

1987

4.5

2014

5.7

1989

6.6

1964

6.2

1992

6.8

2014

6.0

1938

0.0

1983

6.6

1991

7.1

2006

6.3