U.S. Agency for Health Research and QualityState data on health care utilization, access, charges, quality, and outcomes in Inpatient, Ambulatory Care, & Emergency Department settings are maintained by AHRQ. To look up a quick fact check the HCUPnet website here http://hcupnet.ahrq.gov/. The full statistical data tables can be downloaded from the HCUP website here http://hcup-us.ahrq.gov/databases.jsp