2001

5.4

1981

0.0

1980

7.0

1994

7.4

2005

5.8

1978

6.1

2003

5.5

2001

6.0

2002

6.4

1993

6.6

1984

6.9

1978

7.4

1994

4.7

2001

5.7

1986

5.3

2014

4.2

1978

7.3

1995

7.5

2007

6.6

1985

6.5