Moreover, the amount used in "industry" (in restaurants and factories) increased to as high as 70 % and has shown so signs of decreasing, but home use has gradually fallen off, now approximating only 30 % of ROC consumption (see chart).
但五、六年來，內銷量都只佔總產量的三分至四分之一，而且內銷比例中，供餐廳、工廠等「業務」用的比例，高達七十％，並未顯著減少，但家庭用比例，則有漸減的趨勢，約佔內銷量的三十％。（詳表）