Donors list the causes they supported with their Combined Federal Campaign contributions, in this 2018 file photo from Yokota Air Base in Japan. The donations come from federal workers, and support charities they choose, around the country and the world. (Photo by Senior Airman Matthew Gilmore/U.S. Air Force)Mary Helfrich said that St. Vincent de Paul of Baltimore is “grateful for every dollar that we get” to support its charitable work — which …