2017

6.0

2000

5.1

1995

6.3

1938

6.9

1986

5.6

2018

5.3

1973

5.7

2009

6.8

1991

4.4

2011

8.2

1998

6.2

2004

7.3

1990

6.4

2017

8.0

2009

3.7

2014

6.8

1954

7.8

2006

6.3

1988

6.3

1997

5.1