Help with funnel charts

hi -- I'm building a report that incorporates several funnel charts. I'll try to explain:
I have a row of 5 funnel charts. Each one represents the amount of water in the same reservoir. One is
the total capacity of the reservoir (a "full" funnel) and the rest are the amounts of water owned by different
entities (water users). The goal is to have each owner's funnel be proportionate in size to the "total
capacity" funnel. And I'm accomplishing this using database views that do some calculations. There are 2 different data values displayed in each funnel: one is the amount of water the owner has stored (always presented as some color) and the other is the difference between the total capacity and the owner's storage (so, a remainder). The remainder is displayed in white (and ordered such that it's displayed on the top ring of the funnel). All data labels are white, and they are displayed on the funnel rings. So the funnel showing the owner's chunk of water is always proportionate to the "total capacity" funnel, because only the colored storage shows up.  (I wish I could include a picture of this.... )
All of this works, with one problem. Sometimes the owner's storage values are so small that the funnel ring is not really visible, and the value isn't legible. What I'd like to be able to do in this case is display a minimum funnel ring size (eg if the value is less than 10% of the total capacity), but have the value displayed accurately. I could go over all the ideas I've had (none of which will work) about how to handle this. The only possibility I can think of is charts/images one on top of the other, one being surpressed, one not, depending on the value. Royal pain, given there are about 20 funnel charts in this report. But it doesn't seem like (and really, I wouldn't expect there to be) the level of flexibility in conditionally formatting and displaying data in the bucket charts that I'd need to accomplish this.
Your help much appreciated. I know this is pretty complex. Feel free to ask more questions to clarify!
Thanks,
Carol

found a solution myself, using conditional display of images and values when the funnel ring is too small to see the value...

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