Summary statistics for a_c2_44 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_44 | 6,055 5889007 3.16e+07 -2991103 9.30e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018