2006

6.4

1997

6.1

2016

0.0

1990

1.0

1994

6.2

1991

6.3

2005

8.2

2015

7.9

2010

5.2

2004

8.1

1993

5.6

2009

4.8

2019

4.0

2004

7.1

1996

6.2

2022

5.5

1992

6.1

1990

7.4

1999

7.9

2005

7.0

2017

7.0

2001

2.3

1998

7.4

2002

5.7

1997

6.2

2013

7.5

1998

6.2

1999

7.9