011 W05", "licensed": 2943, "sorned": null},
  {"period": "2011 W04", "licensed": 2806, "sorned": null},
  {"period": "2011 W03", "licensed": 2674, "sorned": null},
  {"period": "2011 W02", "licensed": 1702, "sorned": null},
  {"period": "2011 W01", "licensed": 1732, "sorned": null}
];
Morris.Line({
  element: 'graph',
  data: week_data,
  xkey: 'period',
  ykeys: ['licensed', 'sorned'],
  labels: ['Licensed', 'SORN'],
  events: [
    '2011-04',
    '2011-08'
  ]
});
</pre> </body>