private void lowestNumberOfTotalTestsMonthly(StackedStringArray givenList, MonthlyCovidStatistics statisticsToWriteTo)
        {
            List <string> unformattedDateOfCurrentLowest = new List <string>();
            int           currentLowestNumberOfTests     = int.MaxValue;

            foreach (List <string> currentList in givenList.getListOfList())
            {
                if (int.Parse(currentList.ElementAt(PositiveIncrease)) + int.Parse(currentList.ElementAt(NegativeIncrease)) < currentLowestNumberOfTests)
                {
                    unformattedDateOfCurrentLowest.Clear();
                    unformattedDateOfCurrentLowest.Add(currentList.ElementAt(Date));
                    currentLowestNumberOfTests = int.Parse(currentList.ElementAt(PositiveIncrease)) + int.Parse(currentList.ElementAt(NegativeIncrease));
                }
                else if (int.Parse(currentList.ElementAt(PositiveIncrease)) +
                         int.Parse(currentList.ElementAt(NegativeIncrease)) < currentLowestNumberOfTests)
                {
                    unformattedDateOfCurrentLowest.Add(currentList.ElementAt(Date));
                }
            }

            if (currentLowestNumberOfTests == int.MaxValue)
            {
                statisticsToWriteTo.NumberLowestTotalTests = "-1";
            }
            else
            {
                statisticsToWriteTo.NumberLowestTotalTests = currentLowestNumberOfTests.ToString();
                statisticsToWriteTo.DateLowestTotalTests   = unformattedDateOfCurrentLowest;
            }
        }
        private void averageNumberOfTotalTestsPerDayMonthly(StackedStringArray givenList, MonthlyCovidStatistics statisticsToWriteTo)
        {
            int totalNumberOfTotalTests = 0;
            int numberOfDaysCounted     = 0;

            foreach (List <string> currentList in givenList.getListOfList())
            {
                totalNumberOfTotalTests += int.Parse(currentList.ElementAt(PositiveIncrease)) + int.Parse(currentList.ElementAt(NegativeIncrease));
                numberOfDaysCounted++;
            }

            if (numberOfDaysCounted == 0)
            {
                statisticsToWriteTo.NumberAverageTotalTests = "-1";
            }
            else
            {
                double averageNumberOfTotalTests = Convert.ToDouble(totalNumberOfTotalTests) / Convert.ToDouble(numberOfDaysCounted);
                statisticsToWriteTo.NumberAverageTotalTests = averageNumberOfTotalTests.ToString(CultureInfo.InvariantCulture);
            }
        }