"Under the ACA, insurers have seen an influx of new membership in individual plans and in Medicaid plans they administer for the government, expanding the industry's total U.S. revenue to $743 billion in 2014 ... from $641 billion the year before ... But much of that growth has been unprofitable. Health insurers lost a total of $2.5 billion, or on average $163 per consumer enrolled, in the individual market in 2014[.]"