According to some sources, the percentage of the labor force engaged in rice production declined gradually, by over 30 percent between 1986 and 1991, a trend encouraged by the government because it tended to increase export-oriented production.
據一些消息來源稱，從1986年到1991年，從事水稻生產的勞動力比例逐漸下降了30％以上，這是政府鼓勵的趨勢，因為它傾向於增加出口導向型生產。