2012

8.1

1993

6.2

2015

7.3

2003

6.0

1987

1.0

2000

0.0

2005

7.8

1988

6.2

2016

6.9

2014

5.3

2001

7.2

1987

6.0

1988

4.0

1994

0.0

1996

6.0