Frequencies for first 10,000 rows of scopewi1 variable in nhamcsopd2003 dataset : scope | procedure | write-in #1 | - 4 digit | Freq. Percent Cum. ------------+----------------------------------- 0000 | 9,809 98.09 98.09 1811 | 1 0.01 98.10 2911 | 1 0.01 98.11 3142 | 1 0.01 98.12 3323 | 2 0.02 98.14 3422 | 2 0.02 98.16 4413 | 2 0.02 98.18 4513 | 13 0.13 98.31 4523 | 79 0.79 99.10 4524 | 2 0.02 99.12 4525 | 4 0.04 99.16 4823 | 2 0.02 99.18 4836 | 1 0.01 99.19 4921 | 1 0.01 99.20 5411 | 1 0.01 99.21 5421 | 13 0.13 99.34 5732 | 19 0.19 99.53 6812 | 12 0.12 99.65 7021 | 25 0.25 99.90 8020 | 1 0.01 99.91 8021 | 1 0.01 99.92 8026 | 4 0.04 99.96 9999 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016