Summary statistics for a7_3_c9_3 variable in hcris2552_10_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c9_3 | 2,264 6336657 1.21e+07 -459570 2.25e+08 by Jean Roth , jroth@nber.org , 23 Aug 2018