單位：千噸
           項目           1999              2000            2001
    收割面積（千公頃）    28855             27000           26000
        期初中轉庫存      35000             26280           24980
                產量      113800            102000          104000
                進口      942               500             4000
            總供應量      49822             138780          132980
              出口量      542               300             300
            國內用量      113000            113500          114000
              總用量      113542            113800          114300
        期末結轉庫存      36280             24980           18680