1994

8.1

2011

6.8

2008

6.7

2019

5.2

2023

6.8

2002

5.8

2021

10.0

1995

6.2

2022

6.9

2012

6.4

2007

7.7

1970

6.2

2014

6.7

2013

0.0

2022

5.5

2003

8.3

2015

7.8

1999

7.0

2012

6.5

2015

8.1