@techreport{Center for Disease Control and Prevention2019,
author = {Center for Disease Control and Prevention},
title= {United States life tables, 2017 [electronic resource]},
year = {2019},
URL = {https://www.cdc.gov/nchs/data/nvsr/nvsr68/nvsr68_07-508.pdf.},
address = {Atlanta: National Vital Statistics Report},
}