Frequencies for first 10,000 rows of county variable in zipcode dataset : fips county | code. | Freq. Percent Cum. ------------+----------------------------------- 1 | 698 6.98 6.98 3 | 598 5.98 12.96 5 | 390 3.90 16.86 7 | 234 2.34 19.20 9 | 352 3.52 22.72 10 | 9 0.09 22.81 11 | 271 2.71 25.52 13 | 278 2.78 28.30 15 | 269 2.69 30.99 17 | 330 3.30 34.29 19 | 227 2.27 36.56 20 | 2 0.02 36.58 21 | 251 2.51 39.09 23 | 181 1.81 40.90 25 | 268 2.68 43.58 27 | 324 3.24 46.82 29 | 230 2.30 49.12 30 | 5 0.05 49.17 31 | 233 2.33 51.50 33 | 157 1.57 53.07 35 | 83 0.83 53.90 36 | 2 0.02 53.92 37 | 97 0.97 54.89 39 | 131 1.31 56.20 41 | 79 0.79 56.99 43 | 88 0.88 57.87 45 | 119 1.19 59.06 47 | 123 1.23 60.29 49 | 66 0.66 60.95 51 | 93 0.93 61.88 53 | 50 0.50 62.38 54 | 1 0.01 62.39 55 | 111 1.11 63.50 57 | 37 0.37 63.87 59 | 192 1.92 65.79 61 | 206 2.06 67.85 63 | 87 0.87 68.72 65 | 86 0.86 69.58 67 | 84 0.84 70.42 69 | 66 0.66 71.08 71 | 139 1.39 72.47 73 | 45 0.45 72.92 75 | 64 0.64 73.56 77 | 72 0.72 74.28 79 | 79 0.79 75.07 81 | 115 1.15 76.22 83 | 61 0.61 76.83 85 | 44 0.44 77.27 87 | 66 0.66 77.93 89 | 93 0.93 78.86 91 | 113 1.13 79.99 93 | 30 0.30 80.29 95 | 55 0.55 80.84 97 | 52 0.52 81.36 99 | 30 0.30 81.66 101 | 119 1.19 82.85 103 | 140 1.40 84.25 105 | 77 0.77 85.02 107 | 107 1.07 86.09 109 | 57 0.57 86.66 111 | 103 1.03 87.69 113 | 59 0.59 88.28 115 | 64 0.64 88.92 117 | 54 0.54 89.46 119 | 109 1.09 90.55 121 | 45 0.45 91.00 123 | 32 0.32 91.32 125 | 72 0.72 92.04 127 | 66 0.66 92.70 129 | 86 0.86 93.56 131 | 26 0.26 93.82 133 | 59 0.59 94.41 135 | 6 0.06 94.47 137 | 13 0.13 94.60 139 | 7 0.07 94.67 141 | 10 0.10 94.77 143 | 15 0.15 94.92 145 | 3 0.03 94.95 147 | 8 0.08 95.03 149 | 4 0.04 95.07 151 | 1 0.01 95.08 153 | 22 0.22 95.30 155 | 8 0.08 95.38 157 | 7 0.07 95.45 159 | 5 0.05 95.50 161 | 6 0.06 95.56 163 | 9 0.09 95.65 165 | 19 0.19 95.84 167 | 7 0.07 95.91 169 | 7 0.07 95.98 171 | 13 0.13 96.11 173 | 5 0.05 96.16 175 | 8 0.08 96.24 177 | 6 0.06 96.30 179 | 12 0.12 96.42 181 | 5 0.05 96.47 183 | 6 0.06 96.53 185 | 19 0.19 96.72 187 | 4 0.04 96.76 191 | 9 0.09 96.85 193 | 10 0.10 96.95 195 | 8 0.08 97.03 197 | 9 0.09 97.12 199 | 8 0.08 97.20 510 | 54 0.54 97.74 520 | 4 0.04 97.78 530 | 1 0.01 97.79 540 | 8 0.08 97.87 550 | 9 0.09 97.96 570 | 1 0.01 97.97 580 | 1 0.01 97.98 590 | 3 0.03 98.01 600 | 2 0.02 98.03 610 | 2 0.02 98.05 620 | 1 0.01 98.06 630 | 3 0.03 98.09 640 | 1 0.01 98.10 650 | 11 0.11 98.21 660 | 4 0.04 98.25 670 | 1 0.01 98.26 678 | 1 0.01 98.27 680 | 9 0.09 98.36 683 | 2 0.02 98.38 685 | 1 0.01 98.39 690 | 4 0.04 98.43 700 | 11 0.11 98.54 710 | 23 0.23 98.77 720 | 1 0.01 98.78 730 | 4 0.04 98.82 735 | 1 0.01 98.83 740 | 8 0.08 98.91 750 | 3 0.03 98.94 760 | 31 0.31 99.25 770 | 37 0.37 99.62 775 | 3 0.03 99.65 790 | 2 0.02 99.67 800 | 8 0.08 99.75 810 | 20 0.20 99.95 820 | 1 0.01 99.96 830 | 2 0.02 99.98 840 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 4 Jan 2016 tail -n+3 /homes/data/zip/sas/2013/desc/zipcode/byvar/tab/county.log | egrep -