While data on the price of CFCs showed a large range and exhibited some inconsistencies, the overall trend was towards an increase in the price of CFCs and a decrease in the price of substitutes.
虽然有关氟氯化碳价格的数据显示价格范围很大且存在一些不一致的地方，但总的趋势是氟氯化碳的价格不断增加，替代品的价格则有所下降。