2016

4.0

2005

6.3

1987

2.0

1980

5.1

2006

6.3

2016

5.4

1999

6.4

2013

6.7

2011

3.3

1980

7.5

1990

6.8

1987

6.9

2001

5.1

2002

0.0

1992

6.0

1991

6.7

2009

6.6

1997

5.9

1999

4.5

1976

2.0