项目进口（万吨）出口（万吨）净进口日期当月环比同比当月环比同比增速1月30.6215.84%-4.40%0.2-9.09%-76.47%6%2月38.9927.34%10.48%0.095-52.50%-13.64%28%3月47.8822.78%11.22%1.211173.68%908.33%20%4月32.86-17.85%-5.08%0.68-43.