2005

5.0

2004

6.9

2009

7.6

1994

4.1

1990

6.8

1990

5.4

2018

7.5

2010

6.5

1997

7.7

1998

0.0

1999

5.1

2013

6.7

1993

6.0

2007

6.9

1991

2.5

1993

6.5

1994

5.3

2018

7.4

2017

7.5

1985

6.1

1989

7.0

1998

0.0