2014

7.6

2013

7.6

2014

6.0

2006

7.0

1941

5.4

2017

4.9

2007

4.4

1993

6.1

2011

3.0

1985

6.2

2020

7.4

2018

6.8

1971

7.1

1895

4.8

2014

4.7

1977

7.3

2016

7.5

1929

6.5

1949

5.1

2011

7.1