In view of the increasing industrialisation of the developing countries, and especially the growth in the refinery capacity in the oil exporting countries, the ratio of crude oil to products, which at present is about 85 % :
Kwimbono yolwandiso loshishino lwamazwe akhulileyo ingakumbi kukhulo lomzi wokucokisa ubukhulu kumazwe oshishino nge-oyile ukwalamana ne-oyile ekrwada kwimveliso okwangoku iyi 85%.