2005

6.3

1983

6.6

2006

6.9

2005

7.1

2005

6.2

1998

7.3

1984

4.6

2007

6.0

1991

6.6

1999

6.7

1992

0.0

2006

5.7

1994

6.7

2000

6.1

2013

5.0

2019

6.1

2003

0.0

2015

5.7

2015

6.4

1996

6.6