2006

6.7

1958

6.6

1958

7.1

1998

7.2

1982

6.9

1948

6.0

1978

7.2

2005

5.3

1971

3.0

1935

6.8

1981

3.8

1978

0.0

1978

0.0

2001

6.4

2015

9.0

1983

6.9

1921

5.7

1989

7.5

1971

6.6

1990

6.0