 events: [],
            responsive: true,
            maintainAspectRatio: false,
            legend: {
              display: false
            },
            scales: {
              yAxes: [{
                ticks: {
                  beginAtZero: true,
                  display: false
                }
              }]
            },
            animation: {
              duration: 1,
              onComplete: function() {
                var chartInstance = this.chart,
                  ctx = chartInst