1. Agency for Healthcare Research and Quality (AHRQ). HCUPnet, Healthcare Cost and Utilization Project, Rockville. 2016.
https://hcupnet.ahrq.gov
. Accessed 15 Feb 2017.
2. Bureau of Labor Statistics (BLS). May 2015 National occupational employment and wage estimates: United States, Washington. 2016.
https://www.bls.gov/cpi
. Accessed 17 Feb 2017.
3. Bureau of Labor Statistics (BLS). Consumer Price Index—all urban consumers, Washington. 2017a.
http://www.bls.gov/cpi
. Accessed 24 Mar 2017.
4. Bureau of Labor Statistics (BLS). Employer costs for employee compensation news release, Washington. 2017b.
https://www.bls.gov/news.release/ecec.nr0.htm
. Accessed 24 Mar 2017.
5. Census Bureau (Census). Current population survey, annual social and economic supplements, Washington. 2016.
https://www.census.gov/did/www/saipe/data/model/info/cpsasec.html
. Accessed 24 Mar 2017.