Frequencies for first 10,000 rows of proc5r variable in namcs2014 dataset : Numeric | version of | write-in | procedure | code | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,966 99.66 99.66 391 | 1 0.01 99.67 1341 | 1 0.01 99.68 1371 | 3 0.03 99.71 4652 | 1 0.01 99.72 8877 | 1 0.01 99.73 8938 | 1 0.01 99.74 8939 | 1 0.01 99.75 8959 | 1 0.01 99.76 9022 | 1 0.01 99.77 9059 | 2 0.02 99.79 9402 | 2 0.02 99.81 9503 | 1 0.01 99.82 9509 | 4 0.04 99.86 9516 | 1 0.01 99.87 9547 | 2 0.02 99.89 9925 | 1 0.01 99.90 9936 | 1 0.01 99.91 9939 | 1 0.01 99.92 9941 | 1 0.01 99.93 9952 | 1 0.01 99.94 9955 | 4 0.04 99.98 9959 | 1 0.01 99.99 9999 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017