Summary statistics for a_c2_16 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_16 | 4,012 5461917 1.13e+07 -5258446 2.51e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018