2000

5.7

2001

6.8

1995

6.5

1984

7.2

2001

6.3

1982

6.5

0.0

2008

6.8

1999

7.3

1997

6.4

2004

6.9

2002

6.7

2002

4.3

1967

7.8

1995

7.7

1977

7.2

2007

6.1

1993

6.7

2004

6.3

1973

7.1