2012

2.0

2002

7.6

2003

8.0

1987

7.5

1998

7.6

1983

6.4

1996

7.7

1987

7.7

2002

6.8

2006

0.0

2000

6.7

2003

7.2

2005

7.1

2014

5.8

2004

8.5

1986

6.8

2005

7.6

1988

8.3

2006

7.5

1990

6.1