Summary statistics for d1_irf_c1_37 variable in hcris2552_10_2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_37 | 490 5621422 4990471 7485 3.43e+07 by Jean Roth , jroth@nber.org , 25 Oct 2018