Chartjs floating bar horzontal

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.min.js"></script>
<div style="background-color:white;">
    <canvas id="canvas"></canvas>
</div>

JavaScript

var ctx = document.getElementById('canvas').getContext('2d');
 
     horizonalBarChart = new Chart(ctx, {
        type: 'horizontalBar',
        data: {
            datasets: [
                {
                    backgroundColor: "rgba(255,255,250,0)",
                    data: ["3.77", "4.89", "3.91", "3.34", "3.82", "3.85", "3.94", "3.83", "3.73", "3.33", "2.6", "3.86", "2.95", "3.12", "3.18", "3.05", "2.9"],
                    label: null
                },
                {
                    backgroundColor: ["#003f5c", "#003f5c", "#2f4b7c", "#2f4b7c", "#665191", "#665191", "#665191", "#665191", "#665191", "#a05195", "#a05195", "#d45087", "#d45087", "#d45087", "#d45087", "#d45087", "#d45087", "#f95d6a", "#f95d6a"],
                    data: ["1.78", "1.84", "1.61", "1.58", "1.6", "1.6", "1.6", "1.67", "1.73", "1.64", "1.86", "1.69", "1.77", "1.76", "1.74", "1.77", "1.79"],
                    label: null
                }
            ]
        },
        options: {
            responsive: true,
            legend: {
                display: false
            },
            scales: {
                xAxes: [{
                    display: true,
                    scaleLabel: {
                        display: true,
                        labelString: ''
                    },
                    ticks: {
                        steps: 8,
                        stepSize: 1,
                        max: 8,
                        min: 0,
                        callback: function (value, index, values) {
                            return value - 4;
                        }
                    },
                    stacked: true
                }],
                yAxes: [
                    {
                        barPercentage: 0.6,
                        display: true,
                        position: 'left',
                        type: 'category',
                        labels: ["-9.72", "-7.16", "11.51", "13.39", "-4.41", "-3.31", "-9",...