2013

3.9

2003

6.2

2015

7.9

2004

7.9

2018

6.4

2005

5.9

2018

6.6

2005

8.2

2019

7.1

1979

6.7

2000

8.5

2002

8.0

2014

7.7

2012

6.9

2007

2.0

2002

7.6

1997

7.7

2009

0.0

2010

5.2

2007

6.3