2002

7.6

2005

5.3

1989

7.0

1985

7.8

1991

7.3

1993

6.3

2002

0.0

2007

7.0

1962

7.8

2006

6.0

1963

5.9

1992

8.7

1999

5.5

2001

8.3

2000

0.0

1980

7.0

2007

5.6

2005

7.8

1993

5.5

2007

5.5