Flexmonster Demo - empty values in JSON

HTML

<script src="https://s3.amazonaws.com/flexmonster/2.2/flexmonster.js"></script>
<div id="pivot-content"></div>

JavaScript

var jsondata = [{
  "amount": { "type": "number", "caption": "Amount" },
  "monthName": { "type": "month", "caption": "Month" },
  "year": { "type": "string", "caption": "Year" },
  "index": { "type": "number", "caption": "Index" }
}, {
  amount: 64685516,
  index: 2,
  monthName: "Dic",
  year: 2015,
}, {
  amount: 1200000,
  index: 1,
  monthName: "Feb",
  year: 2015,
}, {
  amount: 68640001,
  index: 10,
  monthName: "Gen",
  year: 2014,
}, {
  amount: 31,
  index: 11,
  monthName: "jan",
  year: 2015,
}];


var report = {
  data: jsondata,
  rows: [{
    uniqueName: "year"
  }, {
    uniqueName: "monthName"
  }],
  columns: [{
    uniqueName: "index"
  }],
  measures: [{
    aggregation: "sum",
    caption: "Amount",
    uniqueName: "amount"
  }],
  configuratorActive: false,
  expandAll: true
};

report.licenseKey = "Z53G-1T1WC3-1V1M-0L12-2M0A-1233-1I0Y-2Y2Q-1903-322S-0T2C-1I";

flexmonster.embedPivotComponent("https://s3.amazonaws.com/flexmonster/2.2/", "pivot-content", "100%", "600", report, true);