Summary statistics for a_c2_4201 variable in hcris2552_10_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_4201 | 1 2.20e+07 . 2.20e+07 2.20e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018