1970

5.9

2018

4.5

2001

6.4

1998

7.2

1982

6.9

1948

6.0

1978

7.1

1958

6.7

1983

6.9

1921

5.7

1989

7.5

1971

6.6

1990

6.0

1981

3.8

1978

0.0

1978

0.0

1953

6.0

2007

0.0

2006

6.7

2019

0.0