Frequencies for first 10,000 rows of neontl_nrsry_srvc_cd variable in pos2003 dataset : srv: | neonatal | nursery | Freq. Percent Cum. ------------+----------------------------------- | 8,789 87.89 87.89 0 | 804 8.04 95.93 1 | 357 3.57 99.50 2 | 37 0.37 99.87 3 | 13 0.13 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017