2001

6.4

1984

6.0

2001

6.3

2017

6.1

2007

7.3

2012

4.0

2006

5.8

2014

3.1

1986

6.3

2001

6.0

2004

6.8

1987

6.5

2003

6.1

1996

7.0

2004

5.3

1991

6.5

2004

6.5

1997

5.6

1986

6.2

2003

5.5