1999

6.4

1993

6.6

2007

5.4

2012

5.0

2011

4.4

2014

7.0

2016

6.8

1994

9.0

2011

6.3

2013

5.7

2019

7.0

2018

7.8

2013

7.8

2017

6.9

1993

0.0

2016

6.3

2016

5.9