1984

7.6

1994

5.0

2014

8.0

1982

7.6

2016

5.7

2005

10.0

1986

5.3

1990

4.1

1989

6.0

1987

4.5

1982

6.6

1987

6.2

2001

5.9

1983

0.0

1995

6.0