var data = [
  {"name": "Seldom", "value": 83}, 
  {"name": "Weekly", "value": 89}, 
  {"name": "Daily", "value": 95}, 
  {"name": "Once", "value": 58}, 
  {"name": "Monthly", "value": 82}, 
  {"name": "Never", "value": 34}
];

var options = {  
   id:"chart",
   data: {
    plain: data
   },
   tooltip: {
    show: false
   }
};

var pieChart = new C9.PieChart(options);
pieChart.draw();