 borderWidth: 1,
                data: []
            }]
        };

        window.onload = function() {
            var ctx = document.getElementById('canvas').getContext('2d');
            window.myBar = new Chart(ctx, {
                type: 'bar',
                data: barChartData,
                options: {
                    responsive: true,
                    legend: {
                        position: 'top',
                    },
                    title: {
                        display: tr