2016

10.0

2015

7.8

1998

8.6

2016

9.2

2005

8.3

1984

7.3

2017

7.2

2010

7.7

2005

6.9

2018

4.4

2004

7.5

2016

6.5

2012

6.2

2019

6.0

2015

5.0

2009

7.2

2015

7.6

2012

7.0

2016

7.1

1999

7.5