public JsonResult GetStatisticPerDistrict() { IEnumerable <Statistic> districtsStatistic = _statisticRepository.GetLastStatisticData(); IDictionary <string, decimal> statistic = new SortedDictionary <string, decimal>(); foreach (Statistic district in districtsStatistic) { statistic.Add(district.District, district.PricePerMeter); } return(Json(statistic)); }