Summary statistics for c_1_c7_37 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_37 | 3,166 3.07e+07 6.35e+07 51 1.15e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018