Money Raised Online for many nonprofit organizations grew from virtually nothing only a few years ago to a median 27% increase an annual amount $362,485 from 7/1/05 to 6/30/06, according to a Convio study. Organizations with the most monthly unique Web site visitors built the largest e-mail files. On average, 2.8% of nonprofit site visitors registered their e-mail addresses. (DM News 2/12/07)