2016

6.5

2013

5.7

2013

6.0

2013

4.5

1986

6.7

2017

0.0

2017

0.0

2006

6.4

2001

7.1

1996

5.9

1975

5.3

2017

7.3

1983

6.4

1998

10.0

2007

5.0

2015

5.8

1992

7.0

2005

5.0

2014

3.0

1993

7.4