Summary statistics for d_2_sub2_c8_39 variable in hosp_rollup2552_96_1996 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c8_39 | 24 118.8333 393.4105 1 1950 by Jean Roth , jroth@nber.org , 3 Sep 2018