Summary statistics for d4_sub1_c3_37 variable in hosp_rollup2552_96_2007 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_37 | 1,310 19320.1 76522.48 2 1023784 by Jean Roth , jroth@nber.org , 21 Apr 2018