2013

4.0

1990

5.8

2007

7.1

2005

5.6

2003

0.0

2014

5.0

1995

7.0

2011

6.0

1988

6.3

2005

6.2

2009

5.9

2002

5.4

2002

6.5

2023

5.7

2016

5.3

2016

5.6

2002

4.6

1984

5.2

2006

5.1

1999

5.7