2002

6.9

1988

5.9

1991

6.0

1950

6.8

1987

5.4

2000

7.1

2006

5.1

1977

7.4

2002

6.1

2001

6.8

2003

6.6

2007

6.9

2001

6.9

2003

0.0

1985

7.2

2002

4.9

2017

4.5

1945

6.0

1945

7.0

1976

4.3