1931

4.5

1981

1.0

2014

5.7

1983

6.9

1922

0.0

1971

9.0

1932

5.0

1946

6.7

1914

5.7

1926

0.0

1928

0.0

9.0

1943

6.0

2003

6.5

1923

0.0

1955

6.3

1942

6.8

1955

7.3

2019

7.0

2020

7.4