1931

5.8

2008

5.8

2013

7.4

1915

5.1

1900

5.7

1939

5.6

2013

5.9

1924

5.0

1940

6.3

2025

0.0

2014

5.6

1930

4.0

1938

4.8

2015

7.3

1944

5.3

1955

4.5

2013

3.6

1959

4.2

2000

7.1

1995

8.0