1951

0.0

2020

6.3

1971

7.0

1991

6.7

2000

7.0

1940

5.3

1939

6.4

2001

6.1

2006

4.5

2005

6.6

2022

6.6

1981

7.4

2006

6.0

2007

6.1

2003

6.0

1953

0.0

2006

6.6

2008

5.7

1994

6.2

1945

6.9