2004

7.3

2008

9.0

1983

0.0

1988

0.0

1987

0.0

2008

6.4

1995

8.0

1996

7.0

1969

7.1

1999

6.6

2002

7.5

1993

7.3

2011

7.7

2009

5.8

1992

8.1

1994

8.4

1972

7.7

2009

8.0

2006

6.8

2008

7.5