Summary statistics for a_c2_96 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_96 | 1,426 1020161 1.24e+07 -523255 4.49e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018