Frequencies for first 10,000 rows of amb12 variable in namcs2000 dataset : ambulatory | surg | procedure | #1 - 2 dgt | Freq. Percent Cum. ------------+----------------------------------- 00 | 9,690 96.90 96.90 04 | 1 0.01 96.91 06 | 3 0.03 96.94 18 | 2 0.02 96.96 21 | 1 0.01 96.97 31 | 1 0.01 96.98 38 | 1 0.01 96.99 39 | 12 0.12 97.11 45 | 3 0.03 97.14 48 | 3 0.03 97.17 49 | 9 0.09 97.26 51 | 1 0.01 97.27 53 | 1 0.01 97.28 54 | 1 0.01 97.29 57 | 1 0.01 97.30 58 | 1 0.01 97.31 60 | 1 0.01 97.32 63 | 2 0.02 97.34 64 | 2 0.02 97.36 67 | 2 0.02 97.38 69 | 1 0.01 97.39 70 | 1 0.01 97.40 76 | 1 0.01 97.41 79 | 1 0.01 97.42 80 | 3 0.03 97.45 81 | 16 0.16 97.61 82 | 1 0.01 97.62 83 | 1 0.01 97.63 85 | 30 0.30 97.93 86 | 141 1.41 99.34 91 | 4 0.04 99.38 93 | 6 0.06 99.44 94 | 1 0.01 99.45 96 | 8 0.08 99.53 97 | 39 0.39 99.92 98 | 4 0.04 99.96 99 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016