Summary statistics for a_c1_06109 variable in hcris2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_06109 | 1 2.00e+07 . 2.00e+07 2.00e+07 by Jean Roth , jroth@nber.org , 1 Sep 2018