2018

6.7

2010

6.4

2023

6.2

2021

9.2

2015

8.4

1996

5.8

6.2

2017

5.8

2022

6.2

2012

5.7

2022

7.8

2013

6.1

1999

6.6

2005

5.3

2008

6.8

2021

7.5

2021

7.1

1989

5.8

2018

5.9