Summary statistics for c_1_c6_02904 variable in hcris2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_02904 | 6 8241484 9689118 2690364 2.78e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018