2004

9.4

1986

5.8

2018

6.1

2018

6.1

2006

6.3

2017

6.7

2016

8.0

1965

7.1

2009

7.2

2016

7.9

5.7

2020

5.2

2018

6.5

2016

5.9

2014

7.5

1998

7.5

1988

5.3

5.4

2012

6.2

2014

4.8