Frequencies for first 10,000 rows of proc2 variable in namcs2011 dataset : Procedure 2 | - 4 digit | Freq. Percent Cum. ------------+----------------------------------- -9 | 9,132 91.32 91.32 0392 | 4 0.04 91.36 0820 | 1 0.01 91.37 1736 | 1 0.01 91.38 1739 | 1 0.01 91.39 2001 | 1 0.01 91.40 2103 | 2 0.02 91.42 2181 | 1 0.01 91.43 2200 | 1 0.01 91.44 229- | 1 0.01 91.45 2811 | 1 0.01 91.46 282- | 1 0.01 91.47 3776 | 1 0.01 91.48 3860 | 1 0.01 91.49 3888 | 4 0.04 91.53 3927 | 1 0.01 91.54 3992 | 7 0.07 91.61 4223 | 1 0.01 91.62 4224 | 1 0.01 91.63 4399 | 1 0.01 91.64 4513 | 1 0.01 91.65 4516 | 1 0.01 91.66 4519 | 1 0.01 91.67 4523 | 10 0.10 91.77 4525 | 1 0.01 91.78 4529 | 1 0.01 91.79 4639 | 1 0.01 91.80 4823 | 1 0.01 91.81 4824 | 4 0.04 91.85 4921 | 1 0.01 91.86 4946 | 1 0.01 91.87 5011 | 1 0.01 91.88 5259 | 1 0.01 91.89 5300 | 3 0.03 91.92 5349 | 1 0.01 91.93 5351 | 1 0.01 91.94 5419 | 1 0.01 91.95 5421 | 1 0.01 91.96 5422 | 1 0.01 91.97 613- | 1 0.01 91.98 6712 | 1 0.01 91.99 6909 | 1 0.01 92.00 7860 | 1 0.01 92.01 8154 | 1 0.01 92.02 8191 | 3 0.03 92.05 8192 | 13 0.13 92.18 8519 | 1 0.01 92.19 8591 | 1 0.01 92.20 8603 | 1 0.01 92.21 8604 | 4 0.04 92.25 8619 | 2 0.02 92.27 8623 | 1 0.01 92.28 8627 | 1 0.01 92.29 863- | 12 0.12 92.41 8659 | 1 0.01 92.42 8682 | 1 0.01 92.43 8744 | 1 0.01 92.44 8776 | 1 0.01 92.45 8819 | 2 0.02 92.47 8840 | 1 0.01 92.48 8842 | 1 0.01 92.49 8873 | 4 0.04 92.53 8874 | 1 0.01 92.54 8875 | 1 0.01 92.55 8876 | 2 0.02 92.57 8877 | 1 0.01 92.58 8908 | 1 0.01 92.59 8913 | 10 0.10 92.69 8915 | 2 0.02 92.71 8917 | 1 0.01 92.72 8918 | 1 0.01 92.73 8931 | 1 0.01 92.74 8932 | 1 0.01 92.75 8937 | 1 0.01 92.76 8938 | 59 0.59 93.35 8939 | 152 1.52 94.87 8941 | 1 0.01 94.88 8944 | 2 0.02 94.90 8950 | 1 0.01 94.91 8959 | 30 0.30 95.21 897- | 20 0.20 95.41 9032 | 29 0.29 95.70 9039 | 13 0.13 95.83 9052 | 2 0.02 95.85 9092 | 8 0.08 95.93 9099 | 2 0.02 95.95 9132 | 2 0.02 95.97 9139 | 1 0.01 95.98 9142 | 1 0.01 95.99 9149 | 3 0.03 96.02 9162 | 3 0.03 96.05 9199 | 1 0.01 96.06 9202 | 1 0.01 96.07 9323 | 2 0.02 96.09 9339 | 1 0.01 96.10 9357 | 1 0.01 96.11 9358 | 1 0.01 96.12 9359 | 1 0.01 96.13 9367 | 26 0.26 96.39 9394 | 2 0.02 96.41 9402 | 1 0.01 96.42 9408 | 3 0.03 96.45 9419 | 1 0.01 96.46 9503 | 2 0.02 96.48 9509 | 270 2.70 99.18 9512 | 1 0.01 99.19 9523 | 1 0.01 99.20 9541 | 3 0.03 99.23 9543 | 1 0.01 99.24 9547 | 18 0.18 99.42 9652 | 7 0.07 99.49 9659 | 1 0.01 99.50 9789 | 1 0.01 99.51 9919 | 1 0.01 99.52 9923 | 8 0.08 99.60 9924 | 3 0.03 99.63 9929 | 4 0.04 99.67 9939 | 2 0.02 99.69 9941 | 4 0.04 99.73 9948 | 2 0.02 99.75 9952 | 8 0.08 99.83 9955 | 4 0.04 99.87 9959 | 4 0.04 99.91 9992 | 2 0.02 99.93 9999 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016