Summary statistics for a_c1_30 variable in hcris2552_10_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_30 | 6,011 9319862 1.50e+07 -1204442 2.57e+08 by Jean Roth , jroth@nber.org , 23 Aug 2018