2009

8.5

1985

5.3

2010

9.1

1958

5.5

1915

4.4

1911

6.6

1991

6.1

8.0

2010

6.5

2021

6.2

2022

9.0

2015

6.7

2001

7.2

1998

6.4

1977

5.9

1995

7.0

10.0

1948

6.0

1971

6.3