1999

6.1

2000

6.2

2007

7.6

2014

6.5

2008

6.0

2020

6.8

2011

5.9

1995

7.9

2022

6.5

2001

7.2

2010

7.5

1992

8.2

2002

7.2

2021

6.6

2023

6.0

2005

7.3

1993

8.4

2018

9.0

2019

0.0

2012

0.0