1931

5.8

5.6

2001

6.7

2020

5.5

2010

7.0

2020

6.3

2014

6.6

2013

7.7

1977

6.7

2018

6.8

2015

5.0

2010

7.9

1939

6.0

2009

3.8

2009

5.6

1994

5.9

2020

10.0

2000

8.1