2001

6.0

1994

7.4

2005

7.0

2012

4.4

1967

5.2

2001

1.3

1965

7.4

2007

7.0

1968

7.1

1999

6.5

2006

6.8

1980

4.3

2003

5.5

1985

4.5

2002

7.3

1976

0.0

2001

6.1

1984

5.9

1983

4.7

2007

5.3