resources: zinc, lead, tungsten, zinc, graphite, magnesite, iron ore,

1994 21.900367 0.045661 4% Est. 1993 4.549396 0.219809 4% Est. 1989 2.837846 0.352380 3.8744% 1988 3.465758 0.288537 3.3218% 1987 15.864705 0.063033 3.1640% 1986 15.378148 0.065027 2.6144% 1985 9.643825 0.103693 2.9715% 1984 3.701062 0.270193

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