2005

6.7

2019

6.1

1987

7.3

2005

7.4

1945

7.7

1993

7.0

2014

6.0

1993

6.5

2006

0.0

1967

7.6

2001

6.8

2007

5.6

1998

6.5

2001

5.9

2006

7.0

2003

7.2

1975

0.0

1988

6.7

2002

6.3

2000

6.2