2016

0.0

2014

7.8

1990

9.0

2007

8.9

2007

7.9

2000

7.0

2001

6.5

2003

6.3

1994

0.0

2004

5.5

2004

8.1

1992

3.5

2002

4.8

1996

6.0

2006

0.0

1986

8.5

2005

8.0

1999

8.6

2003

5.0

1991

8.5