2015

3.2

2000

4.5

2020

3.1

2006

2.6

2001

2.0

1992

6.0

2017

0.0

2001

2.0

1997

5.0

2002

3.9

1998

1.0

2004

1.3

1996

1.0

2002

2.0

2005

0.0

1983

5.5

1993

4.7

2002

2.9

1997

1.7

2000

1.6

2004

1.3