1948

6.4

1950

6.3

2006

4.1

1998

8.3

1992

6.6

1949

0.0

1983

6.6

1953

6.8

1939

6.2

2008

7.0

1956

6.9

1989

6.9

1997

5.9

2020

7.8

1975

6.5

1980

5.5

2004

5.7

2006

5.4

2003

5.5

2012

0.0