日期	单位净值
2017-04-21	1.0116
2017-04-14	1.0171
2017-04-07	1.0181
2017-03-31	1.0192
2017-03-24	1.0182
2017-03-17	1.0171
2017-03-10	1.0184
2017-03-03	1.0188
2017-02-28	1.0190
2017-02-24	1.0195
2017-02-17	1.0192
2017-02-10	1.0184
2017-02-03	1.0203
2017-01-26	1.0202
2017-01-20	1.0200
2017-01-13	1.0187