2003

6.0

2005

5.5

1995

6.5

2008

6.4

1983

6.7

1984

7.2

2005

6.5

1999

6.6

1986

7.6

2001

6.9

2003

6.5

2000

5.9

1993

7.5

1999

7.5

1999

7.5

1985

6.2

2016

4.2

2001

6.1

1998

6.7

2000

6.0