       yAxes: [{
			            position: 'left',
			            ticks: {
			                display: true,
			                beginAtZero: true
			            },
			            gridLines: {
			                display: true,
			                drawTicks: true
			            }
			        }, {
			            position: 'right',
			            ticks: {
			                display: false
			            },
			            gridLines: {
			                display: false,
			                drawTicks: false
			       