Summary statistics for ACTVTY_STF_OTHR_PRTM_CNT variable in pos2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- A~R_PRTM_CNT | 37,813 .2597704 1.901115 0 285.9 by Jean Roth , jroth@nber.org , 19 Apr 2019