2013

7.5

2011

7.4

2015

7.9

2009

6.6

2008

6.8

2025

6.8

2007

7.3

1996

6.5

2015

8.0

1898

5.8

1935

7.0

2016

7.0

1975

4.9

2002

7.8

1949

6.2

2021

3.0

2011

7.4

2011

7.0

2017

6.4

2014

7.2