2009

7.3

1992

6.8

2020

5.9

2008

8.3

2012

8.2

2004

6.6

1990

6.9

5.0

2017

8.7

1997

8.0

2015

7.3

2023

3.0

2024

9.0

2010

8.1

2021

6.6

1989

8.0

1993

8.0

2006

7.5

2014

7.8

2003

6.8