2001

4.3

2021

7.8

1993

3.0

2016

7.2

2013

6.0

2008

5.9

2002

6.4

2007

6.0

2012

5.3

2015

7.3

2017

7.9

2003

5.7

2003

6.6

2014

6.0

2012

5.0

1994

5.5

2016

3.0