2017

5.8

2020

5.5

2013

6.1

1994

7.5

2003

6.4

2009

6.7

2010

5.0

1995

6.8

2009

5.5

1983

5.7

1974

7.2

1992

8.9

2011

4.4

2018

6.3

1930

7.8

1990

5.7

1979

3.8

2009

5.6

2004

6.8

1958

7.7