Frequencies for first 10,000 rows of scpwi13d variable in nhamcsopd2003 dataset : scope | procedure | write-in #1 | - 3 digit | Freq. Percent Cum. ------------+----------------------------------- 000 | 9,809 98.09 98.09 181 | 1 0.01 98.10 291 | 1 0.01 98.11 314 | 1 0.01 98.12 332 | 2 0.02 98.14 342 | 2 0.02 98.16 441 | 2 0.02 98.18 451 | 13 0.13 98.31 452 | 85 0.85 99.16 482 | 2 0.02 99.18 483 | 1 0.01 99.19 492 | 1 0.01 99.20 541 | 1 0.01 99.21 542 | 13 0.13 99.34 573 | 19 0.19 99.53 681 | 12 0.12 99.65 702 | 25 0.25 99.90 802 | 6 0.06 99.96 999 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016