1921

5.7

1971

6.6

1990

6.0

2018

4.5

1970

5.9

2014

7.8

2019

0.0

1989

0.0

2006

6.7

2001

6.4

1958

7.2

1998

7.2

1982

6.9

1948

6.0

1978

7.1

1978

0.0

1958

6.7

1953

6.0

2007

0.0

1935

6.8