BDI

日期	数据
2021-02-01	1444
2021-01-29	1452
2021-01-28	1470
2021-01-27	1540
2021-01-26	1659
2021-01-25	1765
2021-01-22	1810
2021-01-21	1837
2021-01-20	1828
2021-01-19	1766
2021-01-18	1740
2021-01-15	1754