Display data on stacked bars of nvd3-multi-bar-chart

Question

I am using nvd3-multi-bar-chart for displaying a graph in my application. An example chart would be like below

I have used the following directive for generating graphs: NVD3 Multibar chart

Everything is working good and the charts are also displaying well. But my problem is, I need to display the data on the bar like below

I have referred the following links before asking this question but did not helped me in solving my requirement Link 1, Link 2, Link 3 and so on ...

Answer 1

Check this method: https://gist.github.com/topicus/217444acb4204f364e46

I'm using angular-nvd3, not angular-nvd3-directives, but I think it should work with a few changes.