1992

6.8

2015

8.4

2016

7.8

2022

6.9

2013

7.9

2007

7.1

2011

7.1

2019

6.0

2007

7.9

2000

6.9

2017

7.7

2004

5.9

1989

8.5

1993

8.4

2013

8.0

1990

7.4

2012

7.7

2021

10.0

2004

8.1

2008

8.4