Frequencies for first 10,000 rows of scopewi1 variable in nhamcsopd2001 dataset : scope | procedure | write-in #1 | - 4 digit | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,850 98.50 98.50 0021 | 34 0.34 98.84 0022 | 10 0.10 98.94 0023 | 17 0.17 99.11 1229 | 2 0.02 99.13 2219 | 1 0.01 99.14 3322 | 1 0.01 99.15 3323 | 1 0.01 99.16 4223 | 3 0.03 99.19 4412 | 1 0.01 99.20 4413 | 1 0.01 99.21 4414 | 1 0.01 99.22 4513 | 3 0.03 99.25 4516 | 2 0.02 99.27 4523 | 35 0.35 99.62 4524 | 3 0.03 99.65 4525 | 4 0.04 99.69 4542 | 5 0.05 99.74 4823 | 4 0.04 99.78 4921 | 1 0.01 99.79 5732 | 5 0.05 99.84 5733 | 1 0.01 99.85 7021 | 9 0.09 99.94 9999 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016