[{"dateFrom":"2019-01-01","dateTo":"2019-01-31","co":120.977},{"dateFrom":"2019-02-01","dateTo":"2019-02-28","co":121.279},{"dateFrom":"2019-03-01","dateTo":"2019-03-31","co":124.618},{"dateFrom":"2019-04-01","dateTo":"2019-04-30","co":127.279},{"dateFrom":"2019-05-01","dateTo":"2019-05-31","co":130.677},{"dateFrom":"2019-06-01","dateTo":"2019-06-30","co":135.705},{"dateFrom":"2019-07-01","dateTo":"2019-07-31","co":136.308},{"dateFrom":"2019-08-01","dateTo":"2019-08-31","co":136.246},{"dateFrom":"2019-09-01","dateTo":"2019-09-30","co":136.278},{"dateFrom":"2019-10-01","dateTo":"2019-10-31","co":136.338},{"dateFrom":"2019-11-01","dateTo":"2019-11-30","co":135.518},{"dateFrom":"2019-12-01","dateTo":"2019-12-31","co":135.247}]