2006

6.8

2014

7.6

2012

5.7

1989

5.8

6.7

2007

9.8

2017

6.9

2022

6.8

2021

10.0

1957

5.0

2007

10.0

1997

4.7

2005

5.5

2003

8.7

2014

3.8

2017

4.0

2010

8.3

1949

6.0