2012

6.1

1980

7.0

2004

8.1

2013

4.4

2025

7.2

2011

7.0

1977

6.3

2005

6.7

1983

7.9

1991

7.2

2003

0.0

2015

0.0

1998

5.0

2011

5.7

1998

7.4

1956

5.5

1997

7.0

2008

7.8

2003

6.7

1981

4.8