Comments count on posts and homepage

Hello, I am using the plugin and I love it. I have a problem though. I would like the comments count to display the sum of the number of comments made with all comment systems, i.e., WordPress, Disqus, Facebook and Google+. Or at least one of them that is not WordPress. Because currently the comments count only shows the number of comments made via WordPress, which isn’t exactly the most used choice by my users. What can I do?
Thank you a lot,

Stefano

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