Summary statistics for a_c1_4201 variable in hcris2552_10_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_4201 | 1 3.60e+07 . 3.60e+07 3.60e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018