Summary statistics for c_1_c6_02902 variable in hcris2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_02902 | 30 9046303 1.45e+07 559 7.03e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018