2006

9.3

2001

7.6

2014

5.8

2015

8.2

2011

8.5

2015

7.7

1995

6.4

2018

5.0

2019

9.3

1996

7.7

2009

7.4

1993

8.1

2013

9.0

2019

8.7

2000

7.1

1999

8.2

2007

8.5

1985

7.7

2005

8.1