Summary statistics for d1_ipf_c1_53 variable in hcris2552_10_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_ipf_c1_53 | 1,162 2523564 2123831 9198 2.12e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018