2003

0.0

2004

4.8

1978

7.5

2004

7.7

1981

7.3

2002

0.0

1999

7.9

2003

8.5

1992

7.7

1993

6.8

1964

7.5

1971

7.8

1988

5.6

1966

6.1

2000

7.7

2004

10.0

1962

6.8

1974

5.8

1985

6.8

2004

7.3