Calendar Chart cannot show multiple years records as in data set about lavacharts HOT 4 CLOSED

<script type="text/javascript" src="//www.google.com/jsapi"></script><script type="text/javascript">window.lava = (function() {
  this.get              = null;
  this.event            = null;
  this.loadData         = null;
  this.register         = null;
  this.getLavachart     = null;
  this.charts           = {};
  this.registeredCharts = [];

  this.get = function (chartLabel, callback) {
    if (arguments.length < 2 || typeof chartLabel !== 'string' || typeof callback !== 'function') {
      throw new Error('[Lavacharts] The syntax for lava.get must be (str ChartLabel, fn Callback)');
    }

    lava.getLavachart(chartLabel, function (lavachart) {
      return callback(lavachart.chart);
    });
  };

  this.loadData = function (chartLabel, dataTableJson, callback) {
    lava.getLavachart(chartLabel, function (lavachart) {
      lavachart.data = new google.visualization.DataTable(dataTableJson, '0.6');

      lavachart.chart.draw(lavachart.data, lavachart.options);

      return callback(lavachart.chart);
    });
  };

  this.event = function (event, chart, callback) {
    return callback(event, chart);
  };

  this.register = function(type, label) {
    this.registeredCharts.push(type + ':' + label);
  };

  this.getLavachart = function (chartLabel, callback) {
    var chartTypes = Object.keys(lava.charts);
    var chart;

    var search = chartTypes.some(function (e) {
      if (typeof lava.charts[e][chartLabel] !== 'undefined') {
        chart = lava.charts[e][chartLabel];

        return true;
      } else {
        return false;
      }
    });

    if (search === false) {
      throw new Error('[Lavacharts] Chart "' + chartLabel + '" was not found');
    } else {
      callback(chart);
    }
  };

  this.redrawCharts = function() {
    var timer, delay = 300;

    clearTimeout(timer);

    timer = setTimeout(function() {
      for(var c = 0; c < lava.registeredCharts.length; c++) {
        var parts = lava.registeredCharts[c].split(':');

        lava.charts[parts[0]][parts[1]].chart.draw(
          lava.charts[parts[0]][parts[1]].data,
          lava.charts[parts[0]][parts[1]].options
        );
      }
    }, delay);
  };

  return this;
})();

window.addEventListener("resize", window.lava.redrawCharts);
</script><div id="sales_div"></div><script type="text/javascript">
if ( typeof lava.charts.CalendarChart == "undefined" ) { lava.charts.CalendarChart = {}; }

lava.charts.CalendarChart["Sales"] = {chart:null,draw:null,data:null,options:null,formats:[]};

if (!document.getElementById("sales_div")){console.error("[Lavacharts] No matching element was found with ID \"sales_div\"");}

lava.charts.CalendarChart["Sales"].draw = function() {
var $this = lava.charts.CalendarChart["Sales"];

$this.data = new google.visualization.DataTable({"cols":[{"type":"date","label":"Date"},{"type":"number","label":"Orders"}],"rows":[{"c":[{"v":"Date(2015,0,1,0,0,0)"},{"v":30}]},{"c":[{"v":"Date(2014,2,5,0,0,0)"},{"v":40}]}]}, 0.6);

$this.options = {"calendar":{"unusedMonthOutlineColor":{"stroke":"#ECECEC","strokeOpacity":0.75,"strokeWidth":1},"dayOfWeekLabel":{"color":"#4f5b0d","fontSize":16,"italic":true}},"title":"Cars Sold","noDataPattern":{"color":"#DDD","backgroundColor":"#11FFFF"},"colorAxis":{"values":[0,100],"colors":["black","green"]}};

$this.chart = new google.visualization.Calendar(document.getElementById("sales_div"));

$this.chart.draw($this.data, $this.options);
};

google.load('visualization', '1.1', {'packages':['calendar']});
google.setOnLoadCallback(lava.charts.CalendarChart["Sales"].draw);
lava.register("CalendarChart", "Sales");
</script>