2015

5.7

2016

7.4

2017

5.2

2010

5.5

2019

7.4

2016

7.3

2013

7.7

0.0

1984

6.7

2017

5.6

2017

6.6

2019

7.2

1977

7.6

2006

8.0

1955

7.2

2015

5.4

2018

6.4

1985

6.1

2004

5.9

1997

7.8