Summary statistics for b_3_c27_41 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_3_c27_41 | 6,000 1929659 7354485 -99257 2.07e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018