- 1969: 3rd in Group B
- 1970: 6th in Group B
- 1971: did not participate
- 1972: 3rd in Group B
- 1973: 3rd in Group B
- 1974: 6th in Group B
- 1975: 3rd in Group B
- 1976: 2nd in Group B
- 1977: 2nd in Group B
- 1978: 4th in Group B
- 1979: 3rd in Group B
- 1980: 2nd in Group B
| - 1981: 3rd in Group B
- 1982: 8th in Group B
- 1983: 1st in Group C
- 1984: 7th in Group B
- 1985: 7th in Group B
- 1986: 6th in Group B
- 1987: 5th in Group B
- 1988: 3rd in Group B
- 1989: 7th in Group B
- 1990: 4th in Group B
- 1991: 2nd in Group B
- 1992: 8th in Group B
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