The percentage of Virginians going without health insurance is on the rise, and many of those who have coverage through their jobs are paying higher premiums than other U.S. employees, according to a new report. The study analyzed census data released in August and found that 14.8% of Virginians lacked health insurance last year, up from 13.3% in 2006. Nationally, the number of uninsured Americans fell slightly during the same period, from 15.8% to 15.3%.