Summary statistics for c_1_c7_06108 variable in hcris2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_06108 | 4 6972040 1.28e+07 79386 2.62e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018