examples/_data/empties.csv
Date,Price
2015-03-11
2015-03-12
2015-03-13
2015-03-16,2055
2015-03-17,2080
2015-03-18,2072
2015-03-19,2098
2015-03-20,2090
2015-03-23,2107
2015-03-24,2103
2015-03-25,2093
2015-03-26,2059
2015-03-27,2055
2015-03-30,2064
2015-03-31,2084
2015-04-01,2067
2015-04-02,2060
2015-04-06,2064
2015-04-07,2080