Summary statistics for c_1_c7_03977 variable in hcris2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_03977 | 1 1.80e+07 . 1.80e+07 1.80e+07 by Jean Roth , jroth@nber.org , 31 Aug 2018