2020

9.0

2001

5.4

2010

4.4

2000

6.9

2011

7.2

2015

6.6

1992

6.2

2014

5.6

2008

6.7

1982

6.7

2008

7.2

2011

4.7

2007

4.9

2003

5.8

2011

5.5

2015

5.8

1985

6.1

2004

4.7

2010

7.1

2012

6.4