1987

7.1

1984

6.1

1986

4.8

1997

7.0

1978

6.4

1986

6.2

1994

2.7

2012

5.3

1986

5.5

1999

7.3

1983

6.5

1988

6.4

1988

10.0

1996

0.0

2010

5.2

1989

5.0

1996

6.4

1985

6.0

1987

4.7

1987

5.0

1984

7.2

1987

1.0