Summary statistics for c_1_c7_37 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_37 | 4,862 2.06e+07 4.32e+07 1 1.12e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018