Summary statistics for d4_hos_c2_52 variable in hosp_rollup2552_96_1996 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_c2_52 | 2,146 89868.11 185927.7 1 2552412 by Jean Roth , jroth@nber.org , 3 Sep 2018