2015

5.3

1970

7.5

2015

10.0

2007

6.7

2003

7.1

1970

7.3

2017

7.1

2011

7.9

2013

8.0

2019

4.0

1978

7.6

1988

0.0

2008

7.1

2014

6.9

2005

6.1

1984

6.0

1990

0.0

2017

7.0

2009

7.2

2006

8.3