2015

4.5

2020

3.5

2020

0.0

2002

0.0

1990

0.0

2014

7.1

1999

5.1

1995

6.4

2004

6.1

2016

6.7

2000

7.4

2011

7.3

2013

6.0

1996

6.2

2010

8.0

2006

5.6