2014

7.2

1999

8.0

2011

5.8

2022

6.8

2016

7.1

1991

7.3

1999

6.5

2021

8.0

2007

6.9

2002

8.3

2005

6.7

2012

7.7

1997

7.3

2015

8.1

2000

7.4

2017

4.5

1999

7.0

2006

6.5

2011

7.1

2003

7.6