1945

6.9

2017

4.9

1998

0.0

2007

4.8

2009

6.7

1991

6.0

2002

6.1

1987

5.6

1969

1.0

1995

7.3

2013

8.2

2001

6.9

2002

6.9

1950

6.8

1988

5.8

2001

6.8

2003

6.6

1996

6.7

1932

6.4

1995

7.3