2017

5.9

0.0

2016

7.9

2007

5.6

2011

7.5

1993

8.6

2015

7.7

1994

8.5

2016

7.3

2012

7.1

2008

6.3

2007

5.7

2013

7.5

2017

7.2

2014

6.7

1999

7.6

1974

7.9

2008

7.6

2013

5.4

2011

7.2