1975

6.8

1976

6.4

1994

3.3

1989

0.0

1992

0.0

1991

4.9

1980

2.0

1999

8.2

1992

5.5

1991

7.4

1978

2.0

1973

7.0

1990

6.0

1992

5.9

1986

6.1

1993

7.9

2001

7.6

1987

8.4

2019

1.5

1985

7.2

1976

7.0

1985

7.5

1997

7.7

1977

7.7