Superchart bars thickness

Hi All,
I have to display a value per month with an histogram superchart widget. The chart is correct the only issue is the thickness of the single bars, too small. The same chart for daily values has a good bars thickness. Is there a way to resolv it increasing the bars thickness?

TIA Stefano

From the little I have played with this, if you change to the standard resolution setting it will increase the bar thickness.

Having to show monthly figures, one per month, the most suitable resolution is Yr1. I don’t see how can change the bars thickness.