nvd3 bar chart - show bars with value 0 too - nvd3.js

Question

Below is my Javascript
d3.json(sugarAPI, function(json) {
$("#id_rigdata svg").html("");
nv.addGraph(function() {
var height = 400;
var chart = nv.models.multiBarChart()
.showTitle(false)
.tooltips(true)
.showControls(false)
.showLegend(false)
.direction(app.lang.direction)
.colorData('data')
.color(['#C2B84D'])
.height(height)
.allowScroll(false)
.tooltipContent(function(key, x, y, e, graph) {
return '<p><b>' + y + '</b></p>';
});
chart.xAxis.axisLabel('Months');
chart.yAxis.axisLabel('Rig Count');
d3.selectAll("#id_rigdata svg > *").remove();
d3.select('#id_rigdata svg')
.datum(json)
.transition().duration(500)
.call(chart);
return chart;
});
});
Below is my JSON response
{
"properties":{
"title":"Monthly Count",
"labels":[
{
"group":1,
"l":"Jan"
},
{
"group":2,
"l":"Feb"
},
{
"group":3,
"l":"Mar"
},
{
"group":4,
"l":"Apr"
},
{
"group":5,
"l":"May"
},
{
"group":6,
"l":"Jun"
},
{
"group":7,
"l":"Jul"
},
{
"group":8,
"l":"Aug"
},
{
"group":9,
"l":"Sep"
},
{
"group":10,
"l":"Oct"
},
{
"group":11,
"l":"Nov"
},
{
"group":12,
"l":"Dec"
}
],
"values":[
{
"group":1,
"t":"0"
},
{
"group":2,
"t":"0"
},
{
"group":3,
"t":"26"
},
{
"group":4,
"t":"26"
},
{
"group":5,
"t":"0"
},
{
"group":6,
"t":"0"
},
{
"group":7,
"t":"0"
},
{
"group":8,
"t":"0"
},
{
"group":9,
"t":"0"
},
{
"group":10,
"t":"0"
},
{
"group":11,
"t":"0"
},
{
"group":12,
"t":"0"
}
]
},
"data":[
{
"key":"Monthly Rig Count",
"type":"bar",
"values":[
{
"series":0,
"x":1,
"y":0,
"y0":0
},
{
"series":0,
"x":2,
"y":0,
"y0":0
},
{
"series":0,
"x":3,
"y":26,
"y0":0
},
{
"series":0,
"x":4,
"y":26,
"y0":0
},
{
"series":0,
"x":5,
"y":0,
"y0":0
},
{
"series":0,
"x":6,
"y":0,
"y0":0
},
{
"series":0,
"x":7,
"y":0,
"y0":0
},
{
"series":0,
"x":8,
"y":0,
"y0":0
},
{
"series":0,
"x":9,
"y":0,
"y0":0
},
{
"series":0,
"x":10,
"y":0,
"y0":0
},
{
"series":0,
"x":11,
"y":0,
"y0":0
},
{
"series":0,
"x":12,
"y":0,
"y0":0
}
],
"color":"#C2B84D"
}
]
}
Output
Here I am trying to show the nvd3 barchart based on my JSON data. One bar for each Month. Now, only two bars are showing up where the value is not 0. What I need here is to show all the 12 bars with empty bars. I need to display the labels where the count is Month is 0 as well.