As BuzzFeed reported last week, 88% of donors who gave $200 or more to Obama in 2008 have yet to give that amount to his campaign this cycle.A deeper analysis of campaign finance data shows that the west has seen an especially high level of drop off in Obama donors. Oregon topped the list with a 91% decrease in donors giving at least $200—the amount required for contributions to be individually reported—and Colorado, Nevada, and Idaho were close behind.