public async Task StatsAggregation()
        {
            Response.Headers[HeaderNames.ContentType] = "text/csv";
            Response.StatusCode = (int)HttpStatusCode.OK;

            await Response.WriteAsync("Day,StatsCount,AvgMinutesTracked,TotalMinutesTracked,AvgMinutesAtHome,TotalMinutesAtHome,AvgBoundingBoxDiagonal" + Environment.NewLine);

            var cursor = await Mongo.GetAggregatedDailyStats();

            while (await cursor.MoveNextAsync())
            {
                foreach (var stats in cursor.Current)
                {
                    await Response.WriteAsync(string.Join(",",
                                                          stats.Day.ToString("yyyy-MM-dd"),
                                                          stats.Count,
                                                          stats.AverageMinutesTracked.ToString("F2"),
                                                          stats.TotalMinutesTracked,
                                                          stats.AverageMinutesAtHome.ToString("F2"),
                                                          stats.TotalMinutesAtHome,
                                                          stats.AverageBoundingBoxDiagonal.ToString("F2")
                                                          ) + Environment.NewLine);
                }
            }
        }