var ctx = document.getElementById('myChart-11').getContext('2d');
var chart = new Chart(ctx, {
    type: 'pie',
    data: {
        labels: [ 'EU countries', 'Asian countries', 'CIS countries', 'African countries', 'Other countries' ],
        datasets: [{
            label: false,
            backgroundColor: [ '#1565c0', '#1976d2', '#1e88e5', '#2196f3', '#42a5f5' ],
            data: [ 50.0, 20.5, 16.5, 2.3, 1.7 ]
        }]
    },
    options: {
		responsive: true,
//		legend: { position: 'left', align: 'center' },		
		
		tooltips: {
    mode: 'label',
    callbacks: {
        label: function(tooltipItem, data) { 
            var indice = tooltipItem.index;                 
            return  data.labels[indice] +': '+data.datasets[0].data[indice] + '';
        }
    }
},		
		
    }
});