日期(年/月)	预测值
2020/6	0.56
2020/7	0.64
2020/8	0.69
2020/9	0.63
2020/10	0.63
2020/11	0.64
2020/12	0.60
2021/1	0.57
2021/2	0.59
2021/3	0.60
2021/4	0.58
2021/5	0.65