1999

6.5

2006

6.3

1975

5.5

1985

5.8

2007

5.6

1989

4.5

1983

5.2

1979

0.0

1984

1.5

1999

4.4

1978

0.0

1980

0.0

1980

6.6

1979

8.0

1986

0.0

1980

5.1

2019

6.4

1992

6.0

1991

6.7

1994

4.1