2006

7.7

2006

7.5

2006

7.0

1994

4.5

1998

7.0

1991

6.5

1990

7.4

1961

5.5

1966

8.0

2006

5.5

2006

5.0

2004

8.1

2003

7.8

2006

0.0

1993

0.0

2000

0.0

1994

7.0

2007

6.8

2001

8.4

7.0