I've borrowed something similar before, but this chart strikes me as even better than the last. As is visually obvious, while not a drop in the bucket — particularly to those trying to make a livelihood in the Gulf of Mexico — the BP spill (so far) is relatively mild.
Naturally, no one presently calling for BP's head and an end to all oil drilling off the coast (and everywhere else) will have the least sense of proportion about this incident. But for those who haven't yet lost (or, more accurately, willingly tossed aside) their minds, I offer the following.
[Hat tip to Kathy Shaidle at NewsReal for bringing to wider public attention the efforts of Donna Laframboise on this subject.]