According to beijing , shanghai and guangzhou , and yunnan in yunnan statistical data , since the second half of 1993 , in the midrange tourist hotels , overseas guests , the guest of substantial public funds shrinking consumption , catering income only 20 % - 30 % , residents , tourists accounted for 70 % of meals at their own expense - 80 % ( 1 ) 据京、沪、穗、滇等市饭店业协会的统计资料，自1993年下半年以来，在中档旅游饭店，海外宾客、内宾中的公款消费大幅度萎缩，仅占餐饮收入的20 % - 30 % ，居民、游客的自费用餐占70 % - 80 % （ 1 ） 。
