Summary statistics for c_1_c6_02904 variable in hcris2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_02904 | 4 1.56e+07 1.36e+07 1520759 2.89e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018