1999

6.5

2008

6.8

2006

6.1

2004

5.9

2001

7.9

2002

6.2

2007

6.9

2022

1.0

2007

4.3

2018

7.4

1992

5.0

1989

6.0

2004

3.5

2004

5.4

2014

5.1

1991

5.5

2018

2.0

2015

5.8

2005

5.9

2003

5.2