2019

7.0

2005

0.0

2013

7.3

2007

5.8

2009

10.0

1985

7.1

2010

4.3

2011

5.8

1999

6.6

2011

7.7

1998

5.3

2012

6.9

2014

4.5

2010

8.1

1997

6.7

1981

6.6

1998

0.0

2009

6.4

2005

6.7

1991

0.0