1990

6.9

2006

5.7

2020

7.6

2005

5.9

2016

6.1

1990

7.6

2022

6.0

2014

6.3

2012

6.2

1999

6.7

2017

7.5

2018

8.1

1985

7.9

2001

6.5

2001

7.6

2011

7.2

2001

5.8

2020

6.9

2022

9.5