2011

9.5

2010

4.5

2005

8.3

2012

7.3

2013

7.6

2017

6.7

2013

4.7

2014

6.6

1955

4.9

2014

5.9

2006

6.3

2022

8.6

2015

6.4

2012

9.7

1975

6.5

2014

7.6

1987

6.9

1985

7.4