2014

6.1

1989

8.1

2012

10.0

1992

10.0

1994

7.3

2001

7.8

2000

5.5

2016

6.7

1994

8.4

1993

7.3

1995

0.0

2000

6.0

1998

6.9

2012

6.0

1996

7.2

1997

2.5

2008

5.6

2002

6.0