1944

7.4

2001

5.4

1983

6.1

1951

6.1

2006

6.7

2007

6.4

2006

6.8

1935

6.0

1987

7.1

2007

7.4

1991

5.0

2005

5.8

2005

6.9

1958

7.5

2001

7.5

2020

5.9

1949

5.0

2013

9.6

2000

5.3

2019

6.8