CST - Recording surface current throughout a parametric sweep

Is there a way to export the surface current results from an H field monitor during a parametric sweep? When I do a parametric sweep and setup a post processing template Export 3D field result, it just overwrites the exported information. Also, do I need to export and manipulate the surface current results in MATLAB (or whatever) or can I just see the different surface currents from the parametric sweep in CST Studio Suite ​​​​​​​, like how we can select between different S parameters based on run ID.