2014

1.0

1997

6.7

2006

0.0

1970

4.6

1980

8.0

2017

5.6

1981

4.3

2008

6.9

2012

0.0

2013

7.0

2016

8.0

2020

3.7

2014

6.6

2002

6.5

2008

7.5

1953

0.0

2021

7.2

2013

0.0

2005

7.5

2011

6.6