Frequencies for first 10,000 rows of orthtc_prsthtc_cntrctr_sw variable in pos2018 dataset : Services: | Orthotic / | Prosthetic | - | Independen | Freq. Percent Cum. ------------+----------------------------------- | 9,855 98.55 98.55 N | 137 1.37 99.92 Y | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019