2017

8.0

1990

6.4

2009

7.4

2017

6.9

2012

7.1

2018

6.0

1963

5.9

1970

6.3

2019

7.7

1967

6.5

2018

6.0

1955

7.2

2016

4.9

2017

7.3

2020

6.3

1998

4.7

2001

9.9

1987

7.1

2013

8.1

2012

6.3