Frequencies for first 10,000 rows of proc4r variable in namcs2011 dataset : Procedure | #4 numeric | recode | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,819 98.19 98.19 2912 | 1 0.01 98.20 4389 | 1 0.01 98.21 4400 | 2 0.02 98.23 4429 | 1 0.01 98.24 4438 | 1 0.01 98.25 4836 | 1 0.01 98.26 4946 | 2 0.02 98.28 5419 | 1 0.01 98.29 6841 | 1 0.01 98.30 8619 | 6 0.06 98.36 8761 | 1 0.01 98.37 8913 | 4 0.04 98.41 8929 | 1 0.01 98.42 8937 | 1 0.01 98.43 8938 | 24 0.24 98.67 8939 | 3 0.03 98.70 8950 | 1 0.01 98.71 8958 | 1 0.01 98.72 8959 | 92 0.92 99.64 8970 | 2 0.02 99.66 9039 | 1 0.01 99.67 9092 | 2 0.02 99.69 9099 | 1 0.01 99.70 9199 | 1 0.01 99.71 9201 | 4 0.04 99.75 9399 | 1 0.01 99.76 9509 | 17 0.17 99.93 9547 | 3 0.03 99.96 9653 | 1 0.01 99.97 9923 | 1 0.01 99.98 9955 | 1 0.01 99.99 9959 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016