Summary statistics for d1_irf_c1_53 variable in hcris2552_10_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_53 | 361 3449163 2386119 219391 1.76e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018