public async Task <PercentageTotalBarChartModel> ByEthnicity(AssessmentFilterModel model)
        {
            model.ExcludePerformanceKeys = await GetPerformanceKeys(model);

            var chart = await _assessmentPerformanceTrendService.ByEthnicity(model);

            chart.HideTotal = true;
            return(chart);
        }
        public async Task <IHttpActionResult> ByEthnicity(AssessmentFilterModel model)
        {
            var chart = await _assessmentPerformanceTrendService.ByEthnicity(model);

            return(Ok(chart));
        }