A. “Monthly Statistical Snapshot, January 2012″ (February 2012).
www.ssa.gov/policy/docs/quickfacts/stat_snapshot/index.html
B. “SSI Monthly Statistics, January 2012″ (February 2012, HTML and .pdf format).
www.ssa.gov/policy/docs/statcomps/ssi_monthly/2012-01/index.html