1996

6.4

2018

7.0

2014

3.0

2000

7.7

2013

3.9

2000

7.6

2012

5.8

1994

7.8

2008

4.5

2018

6.6

2018

5.2

2011

4.7

1999

7.5

2000

8.5

2013

7.5

2001

7.4

1998

6.2

2004

5.0

2003

7.1

2017

3.3

1993

6.9