1997

8.0

2021

7.4

2005

6.3

2011

0.0

2008

6.9

2006

7.6

2012

7.8

2002

5.0

2009

0.0

1998

9.0

2022

1.0

1992

6.6

1993

7.3

2017

7.5

1994

7.0

1999

7.0