Morris.Bar({

    //morris chart
 element: 'graph',

        data: [
          {trimestre: 'Ene-Mar', 2015: null},
           {trimestre: 'Abr-Jun', 2015: null},
            {trimestre: 'Jul-Sep', 2015: null},
            {trimestre: 'Oct-Dic', 2015: null}
        ],

          xkey: 'trimestre',
          ykeys: ['2015'],
          labels: ['Valor'],
           barRatio: 0.4,
        xLabelAngle: 35,

        barColors: ['#6883a3']
        });