1992

6.5

2015

8.3

1996

6.5

1949

6.2

2015

6.3

1993

5.4

1920

7.3

2003

6.6

2014

7.2

2017

6.1

2011

6.5

1911

6.6

1996

6.3

2007

6.0

2015

6.7

1994

6.2

5.6

2010

7.1

2012

6.6

1992

6.8