2015

5.9

1992

7.1

2010

7.9

2012

6.7

1985

6.2

1993

4.3

2012

6.3

2003

6.0

2004

6.6

2004

4.7

1996

7.6

1993

7.8

2012

5.8

2020

5.5

2013

7.1

2017

4.7

2012

5.0

2016

5.9