2001

7.8

2014

3.0

2014

2.0

2005

8.2

1990

6.4

1990

7.2

2013

7.0

2010

6.5

2009

4.3

1995

7.3

1996

4.1

1993

4.7

2015

4.0

2009

7.5

1991

7.2

2017

8.1

2016

0.0

2018

5.4

2014

4.1

1997

6.0

2015

4.4

2002

8.1

1998

6.3

2006

7.3

2014

3.1

1993

7.5

2016

6.9

2015

3.0