double gap = 0.1 * binWidth;
    
    var binEdges = new List<double>();

    for (int i = 0; i <= BinsCount; i++) 
    {
        double binStart = min + i * binWidth;
        binEdges.Add(Math.Round(binStart, 2));

        if (i >= BinsCount)
        {
            continue;
        }
        double binEnd = binStart + binWidth;
        double adjustedBinStart = binStart + gap / 2; 
        double adjustedBinEnd = binEnd - gap / 2;
        int count = histogram[i];
        double area = count * (adjustedBinEnd - adjustedBinStart);
        histogramSeries.Items.Add(new HistogramItem(adjustedBinStart, adjustedBinEnd, area, count));
        
        var textAnnotation = new TextAnnotation
        {
            Text = count.ToString(),
            TextPosition = new DataPoint(adjustedBinStart + (adjustedBinEnd - adjustedBinStart) / 2, count),
            StrokeThickness = 0,
            FontSize = 11,
            TextColor = OxyColors.Black,
            TextVerticalAlignment = OxyPlot.VerticalAlignment.Bottom,
            TextHorizontalAlignment = HorizontalAlignment.Center
        };
        plotModel.Annotations.Add(textAnnotation);
    }
    
    plotModel.Series.Add(histogramSeries);

    double minX = binEdges.FirstOrDefault();
    double maxX = binEdges.LastOrDefault();
    double step = (maxX - minX) / BinsCount;
    plotModel.Axes.Add(new LinearAxis
    {
        Position = AxisPosition.Bottom,
        Minimum = minX,
        Maximum = maxX,
        FontSize = 11,
        MajorStep = step,
        MinorTickSize = 0, 
        IsAxisVisible = true, 
        TickStyle = TickStyle.Crossing, 
        MajorGridlineStyle = LineStyle.Solid, 
        MajorGridlineColor = OxyColors.LightGray, 
        AxisTickToLabelDistance = 2,
        StringFormat = "0.00"
    });

    int maxY = histogramSeries.Items.Max(x => x.Count);
    plotModel.Axes.Add(new LinearAxis
    {
        Position = AxisPosition.Left,
        Minimum = 0,
        Maximum = maxY + 2,
        FontSize = 11
    });`