Frequencies for first 10,000 rows of nat_cntrct_cnt variable in pos2016 dataset : Staff | Count: | Nurse Aide | in Training | - Contra | Freq. Percent Cum. ------------+----------------------------------- 0 | 2,402 24.02 24.02 .21 | 1 0.01 24.03 .23 | 1 0.01 24.04 1.8 | 1 0.01 24.05 2.31 | 1 0.01 24.06 3 | 1 0.01 24.07 3.43 | 1 0.01 24.08 3.74 | 1 0.01 24.09 5.03 | 1 0.01 24.10 5.23 | 1 0.01 24.11 6.8 | 1 0.01 24.12 6.86 | 1 0.01 24.13 8.57 | 2 0.02 24.15 . | 7,585 75.85 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 Jan 2017