2008

1.0

2007

5.3

2020

3.5

2018

4.9

2013

0.0

2010

6.5

1983

5.8

1987

6.3

2016

3.5

2003

6.4

2018

5.7

2002

6.0

1996

4.8

2001

7.0

1985

6.6

2015

4.8

2006

6.2

2004

6.6

2005

7.2

2005

5.4