2.5 3 3.5 4 4.5 2018/3/6 2018/4/6 2018/5/6 2018/6/6 2018/7/6 2018/8/6 2018/9/6 2018/10/6 2018/11/6 2018/12/6 2019/1/6 2019/2/6 2019/3/6 2019/4/6 2019/5/6 2019/6/6 2019/7/6 2019/8/6 2019/9/6 2019/10/6 2019/11/6 ad ac co go or ne gr ed lg geo gen average