Frequencies for first 10,000 rows of proc3r variable in namcs2010 dataset : procedure | #3 - | numeric | recode | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,794 97.94 97.94 309 | 3 0.03 97.97 619 | 1 0.01 97.98 2200 | 1 0.01 97.99 3610 | 1 0.01 98.00 4498 | 1 0.01 98.01 4513 | 1 0.01 98.02 4523 | 1 0.01 98.03 5421 | 1 0.01 98.04 6909 | 1 0.01 98.05 8108 | 1 0.01 98.06 8192 | 1 0.01 98.07 8604 | 2 0.02 98.09 8619 | 7 0.07 98.16 8630 | 1 0.01 98.17 8913 | 2 0.02 98.19 8915 | 1 0.01 98.20 8938 | 49 0.49 98.69 8939 | 13 0.13 98.82 8944 | 1 0.01 98.83 8950 | 1 0.01 98.84 8959 | 19 0.19 99.03 8970 | 15 0.15 99.18 9032 | 4 0.04 99.22 9039 | 3 0.03 99.25 9092 | 1 0.01 99.26 9139 | 1 0.01 99.27 9149 | 1 0.01 99.28 9307 | 5 0.05 99.33 9335 | 1 0.01 99.34 9339 | 1 0.01 99.35 9359 | 1 0.01 99.36 9367 | 1 0.01 99.37 9390 | 1 0.01 99.38 9394 | 1 0.01 99.39 9509 | 38 0.38 99.77 9511 | 1 0.01 99.78 9541 | 1 0.01 99.79 9547 | 4 0.04 99.83 9652 | 1 0.01 99.84 9923 | 1 0.01 99.85 9939 | 1 0.01 99.86 9946 | 1 0.01 99.87 9948 | 1 0.01 99.88 9952 | 6 0.06 99.94 9955 | 1 0.01 99.95 9956 | 1 0.01 99.96 9959 | 2 0.02 99.98 9999 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016