Frequencies for first 10,000 rows of nat_cntrct_cnt variable in pos2018 dataset : Staff | Count: | Nurse Aide | in Training | - Contra | Freq. Percent Cum. ------------+----------------------------------- 0 | 2,421 24.21 24.21 .14 | 1 0.01 24.22 1.01 | 1 0.01 24.23 1.14 | 1 0.01 24.24 1.46 | 1 0.01 24.25 2.4 | 1 0.01 24.26 2.5 | 1 0.01 24.27 4.29 | 1 0.01 24.28 6.74 | 1 0.01 24.29 6.8 | 1 0.01 24.30 . | 7,570 75.70 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019