1991

6.6

2006

4.3

2007

5.8

2011

1.0

1950

6.0

1992

6.7

2016

4.8

2008

6.7

1991

5.6

1993

6.5

2015

6.5

1993

6.6

2008

4.1

1998

6.1

2025

0.0

2001

6.8

2013

3.6

1970

7.5

2017

5.4

1982

6.6