我应该使用哪个高图来表示以下数据？

Question

I have following data in table and I want to display in graph can you please suggest which graph should i choose to represent below data. I want to use highchart.

Ref No  Available Date  Report Date     Competitor  
214     24-02-2017      17-02-2017      ABC
337     24-02-2017      18-01-2017      ABC
337     10-02-2017      18-01-2017      XYZ
322     24-01-2017      13-01-2017      XYZ  
337     10-02-2017      12-01-2017      DEF
322     24-01-2017      10-01-2017      ABC
337     10-02-2017      10-01-2017      DEF
214     24-01-2017      03-01-2017      XYZ

I want to show in graph particular competitor has how many Ref No. on perticular month (Report Date) Let Say for example ABC has 3 Ref No. (322,337,214) from those month of January has 2 (322,337) month of February has 1 (214).

Thanks in advance