Frequencies for first 10,000 rows of examwi1 variable in nhamcsopd2001 dataset : exam | write-in #1 | - 4 digit | Freq. Percent Cum. ------------+----------------------------------- 0000 | 6,785 67.85 67.85 8393 | 2 0.02 67.87 8913 | 388 3.88 71.75 8926 | 439 4.39 76.14 8931 | 6 0.06 76.20 8934 | 66 0.66 76.86 8936 | 404 4.04 80.90 8939 | 1,078 10.78 91.68 8962 | 4 0.04 91.72 9059 | 1 0.01 91.73 9411 | 222 2.22 93.95 9419 | 8 0.08 94.03 9433 | 1 0.01 94.04 9502 | 19 0.19 94.23 9503 | 4 0.04 94.27 9505 | 6 0.06 94.33 9509 | 542 5.42 99.75 9515 | 2 0.02 99.77 9547 | 2 0.02 99.79 9999 | 21 0.21 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016