Summary statistics for c_1_c7_03963 variable in hcris2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_03963 | 12 9282722 2.55e+07 93 8.98e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018