Summary statistics for d4_sub2_c2_44 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_44 | 613 1605505 4679528 707 6.72e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018