2016

5.9

2019

6.3

1989

9.3

2006

10.0

2007

5.7

2015

6.4

2014

7.4

1999

5.2

2005

5.8

2008

5.9

2017

5.5

2018

5.6

2018

6.5

2012

7.7

2003

7.3

2017

6.6

2002

5.2

2017

6.1

2016

5.4

2018

6.6