2001

4.9

2011

6.5

2015

7.9

2016

8.4

2005

8.1

2003

5.0

2009

6.0

1984

7.5

2013

8.1

2015

0.0

2006

4.8

2010

10.0

2019

7.5

2005

2.0

1992

5.4

2005

4.1

2013

6.0