2004

5.6

1957

6.2

1959

6.9

2000

6.4

1977

6.0

2007

6.4

1991

5.5

1997

6.7

2025

0.0

1984

6.3

1958

0.0

1954

6.8

1989

5.7

1974

7.0

1965

5.7

1979

6.7

1969

4.4

1977

7.0

1961

6.4

1997

6.2