Disruptor.Collections.Histogram.CalculateMean C# (CSharp) Method

        public decimal CalculateMean()
        {
            long lowerBound = _counts[0] > 0L ? _minValue : 0L;
            decimal total = 0;

            for (int i = 0, size = _upperBounds.Length; i < size; i++)
            {
                long upperBound = Math.Min(_upperBounds[i], _maxValue);
                long midPoint = lowerBound + ((upperBound - lowerBound)/2L);

                decimal intervalTotal = midPoint*_counts[i];
                total += intervalTotal;
                lowerBound = Math.Max(_upperBounds[i] + 1L, _minValue);
            }

            return total/Count;
        }