Summary statistics for c_1_c6_03143 variable in hcris2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_03143 | 3 1.17e+07 1.67e+07 1855100 3.09e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018