Make sure we don't nullify zeros
Make sure we don't nullify zeros

mchelen/project-open-data-dashboard,albertcrowley/project-open-data-dashboard,albertcrowley/project-open-data-dashboard,albertcrowley/project-open-data-dashboard,dhootha/project-open-data-dashboard,dhootha/project-open-data-dashboard,mchelen/project-open-data-dashboard,dhootha/project-open-data-dashboard,mchelen/project-open-data-dashboard