1999

7.0

2007

7.9

2017

6.6

1995

6.4

1993

7.7

1992

5.5

2017

7.8

2006

7.0

2008

6.2

2012

9.0

2019

6.1

2016

7.3

2022

7.2

2017

7.6

2012

8.2

2023

6.9

5.8

2018

7.3

1993

6.8

2019

6.4