Frequencies for first 10,000 rows of proc4 variable in namcs2013 dataset : Write-in | procedure | code | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,815 98.15 98.15 0391 | 1 0.01 98.16 1212 | 1 0.01 98.17 1229 | 2 0.02 98.19 1359 | 1 0.01 98.20 1371 | 3 0.03 98.23 1424 | 1 0.01 98.24 1742 | 1 0.01 98.25 1811 | 1 0.01 98.26 2188 | 1 0.01 98.27 2200 | 1 0.01 98.28 2219 | 1 0.01 98.29 294- | 1 0.01 98.30 3899 | 1 0.01 98.31 3928 | 1 0.01 98.32 3999 | 1 0.01 98.33 554- | 1 0.01 98.34 5551 | 1 0.01 98.35 689- | 1 0.01 98.36 704- | 1 0.01 98.37 7781 | 1 0.01 98.38 8036 | 1 0.01 98.39 8191 | 1 0.01 98.40 8363 | 1 0.01 98.41 8523 | 1 0.01 98.42 8619 | 2 0.02 98.44 8724 | 2 0.02 98.46 8773 | 1 0.01 98.47 8860 | 1 0.01 98.48 8908 | 23 0.23 98.71 8923 | 1 0.01 98.72 8938 | 9 0.09 98.81 8939 | 6 0.06 98.87 8959 | 15 0.15 99.02 9022 | 1 0.01 99.03 9052 | 4 0.04 99.07 9059 | 7 0.07 99.14 9092 | 2 0.02 99.16 9132 | 4 0.04 99.20 9162 | 1 0.01 99.21 9191 | 1 0.01 99.22 9195 | 1 0.01 99.23 9199 | 1 0.01 99.24 9309 | 1 0.01 99.25 9359 | 1 0.01 99.26 9419 | 1 0.01 99.27 9503 | 3 0.03 99.30 9505 | 1 0.01 99.31 9509 | 30 0.30 99.61 9511 | 1 0.01 99.62 9512 | 1 0.01 99.63 9546 | 2 0.02 99.65 9547 | 1 0.01 99.66 9548 | 1 0.01 99.67 9654 | 2 0.02 99.69 9923 | 1 0.01 99.70 9929 | 1 0.01 99.71 9939 | 2 0.02 99.73 9941 | 1 0.01 99.74 9948 | 4 0.04 99.78 9952 | 10 0.10 99.88 9955 | 11 0.11 99.99 9999 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017