2022

6.9

2012

6.3

6.7

2017

7.3

2006

6.4

2015

5.1

2011

5.6

2008

7.0

1999

5.9

2021

6.1

1993

6.2

2019

6.8

2021

6.9

1996

8.0

2022

9.0

1984

6.2

2023

5.6

2014

5.9

2023

6.8

6.3