2016

4.7

1979

0.0

1996

6.2

1986

6.4

1992

6.0

1986

6.5

1985

7.1

1989

5.5

2012

3.9

1996

5.4

2007

6.1

1991

4.6

1991

5.7

2014

0.0

2006

10.0