Frequencies for first 10,000 rows of county variable in zipcode dataset : FIPS county | code | Freq. Percent Cum. ------------+----------------------------------- | 8 0.08 0.08 001 | 701 7.01 7.09 003 | 608 6.08 13.17 005 | 373 3.73 16.90 007 | 230 2.30 19.20 009 | 357 3.57 22.77 010 | 9 0.09 22.86 011 | 283 2.83 25.69 013 | 288 2.88 28.57 015 | 264 2.64 31.21 017 | 358 3.58 34.79 019 | 211 2.11 36.90 020 | 2 0.02 36.92 021 | 259 2.59 39.51 023 | 193 1.93 41.44 025 | 267 2.67 44.11 027 | 323 3.23 47.34 029 | 232 2.32 49.66 030 | 5 0.05 49.71 031 | 231 2.31 52.02 033 | 156 1.56 53.58 035 | 74 0.74 54.32 036 | 2 0.02 54.34 037 | 99 0.99 55.33 039 | 100 1.00 56.33 041 | 80 0.80 57.13 043 | 88 0.88 58.01 045 | 116 1.16 59.17 047 | 91 0.91 60.08 049 | 71 0.71 60.79 051 | 94 0.94 61.73 053 | 41 0.41 62.14 054 | 1 0.01 62.15 055 | 101 1.01 63.16 057 | 37 0.37 63.53 059 | 214 2.14 65.67 061 | 218 2.18 67.85 063 | 75 0.75 68.60 065 | 87 0.87 69.47 067 | 82 0.82 70.29 069 | 69 0.69 70.98 071 | 140 1.40 72.38 073 | 48 0.48 72.86 075 | 59 0.59 73.45 077 | 75 0.75 74.20 079 | 74 0.74 74.94 081 | 111 1.11 76.05 083 | 65 0.65 76.70 085 | 45 0.45 77.15 087 | 58 0.58 77.73 089 | 89 0.89 78.62 091 | 114 1.14 79.76 093 | 30 0.30 80.06 095 | 55 0.55 80.61 097 | 52 0.52 81.13 099 | 31 0.31 81.44 101 | 116 1.16 82.60 103 | 143 1.43 84.03 105 | 77 0.77 84.80 107 | 110 1.10 85.90 109 | 35 0.35 86.25 111 | 104 1.04 87.29 113 | 60 0.60 87.89 115 | 65 0.65 88.54 117 | 55 0.55 89.09 119 | 120 1.20 90.29 121 | 45 0.45 90.74 123 | 32 0.32 91.06 125 | 75 0.75 91.81 127 | 73 0.73 92.54 129 | 86 0.86 93.40 131 | 26 0.26 93.66 133 | 57 0.57 94.23 135 | 6 0.06 94.29 137 | 13 0.13 94.42 139 | 7 0.07 94.49 141 | 10 0.10 94.59 143 | 14 0.14 94.73 145 | 4 0.04 94.77 147 | 8 0.08 94.85 149 | 4 0.04 94.89 151 | 1 0.01 94.90 153 | 19 0.19 95.09 155 | 8 0.08 95.17 157 | 10 0.10 95.27 159 | 5 0.05 95.32 161 | 6 0.06 95.38 163 | 9 0.09 95.47 165 | 20 0.20 95.67 167 | 7 0.07 95.74 169 | 7 0.07 95.81 171 | 13 0.13 95.94 173 | 7 0.07 96.01 175 | 8 0.08 96.09 177 | 6 0.06 96.15 179 | 9 0.09 96.24 181 | 5 0.05 96.29 183 | 7 0.07 96.36 185 | 18 0.18 96.54 187 | 4 0.04 96.58 191 | 8 0.08 96.66 193 | 10 0.10 96.76 195 | 9 0.09 96.85 197 | 9 0.09 96.94 199 | 7 0.07 97.01 510 | 57 0.57 97.58 515 | 1 0.01 97.59 520 | 4 0.04 97.63 530 | 1 0.01 97.64 540 | 8 0.08 97.72 550 | 9 0.09 97.81 560 | 1 0.01 97.82 570 | 1 0.01 97.83 580 | 1 0.01 97.84 590 | 4 0.04 97.88 595 | 1 0.01 97.89 600 | 3 0.03 97.92 610 | 2 0.02 97.94 620 | 1 0.01 97.95 630 | 3 0.03 97.98 640 | 1 0.01 97.99 650 | 14 0.14 98.13 660 | 2 0.02 98.15 670 | 1 0.01 98.16 678 | 1 0.01 98.17 680 | 8 0.08 98.25 683 | 3 0.03 98.28 685 | 3 0.03 98.31 690 | 4 0.04 98.35 700 | 11 0.11 98.46 710 | 24 0.24 98.70 720 | 1 0.01 98.71 730 | 4 0.04 98.75 735 | 1 0.01 98.76 740 | 8 0.08 98.84 750 | 3 0.03 98.87 760 | 34 0.34 99.21 770 | 39 0.39 99.60 775 | 4 0.04 99.64 790 | 2 0.02 99.66 800 | 8 0.08 99.74 810 | 21 0.21 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/2003/desc/zipcode/byvar/tab/county.log | egrep -