2004

8.6

1993

6.6

2009

8.7

2005

7.0

2021

7.7

2018

10.0

1997

8.1

2015

7.3

1989

7.8

2005

9.3

2020

7.0

2004

8.3

2005

7.6

2014

6.1

2001

6.6

2019

5.0

1999

8.6

1997

8.3

2010

7.8