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到2000年时,与现阶段相比稀有金属的需要量将增加,镓是现在的100倍,金属铌是观在的40倍,所谓新材料的金属市场要比现在扩大15倍。下表是2030年时的市场规模预测。
By the year 2000, the demand for rare metals will increase compared to the current stage, with gallium 100 times the current level and metallic niobium 40 times more than the nominal value. The metal market for new materials is now 15 times more than it is now. The table below shows the market forecast for 2030.