2014

6.6

2001

4.5

2003

4.1

2006

7.6

2018

6.9

1936

3.6

2007

6.6

1998

7.1

2000

6.1

2016

5.0

2016

5.0

2006

6.0

2005

4.7

2008

6.7

2014

5.8

2015

7.5

2019

6.0

2007

6.2

1985

7.0

1978

5.4