Summary statistics for c_1_c6_02904 variable in hcris2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_02904 | 4 1.45e+07 1.35e+07 970376 2.94e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018