public async Task <IActionResult> YearlyLevelDropOffAsync() { var dropOffs = await _store.GetYearlyLevelDropOffAsync(); var response = new LevelDropOffListResponseModel { LevelDropOffs = dropOffs .Select(s => new LevelDropOffResponseModel { Year = s.Year, ReachedLevel = s.ReachedLevel, TotalCount = s.TotalCount }) .ToList() }; return(base.Ok(response)); }