1 20171002  0.306941727383228     
           2 20171014  0.308708405799307     
           3 20171026  0.370685186694026     
           4 20171107  0.417315368868467     
           5 20171119  0.389502082238614     
           6 20171201  0.393892646047162     
           7 20171213  0.369759499924657     
           8 20171219  0.192226888612022     
           9 20171225  0.267927233320677     
          10 20171231  0.276768540878893