Frequencies for first 10,000 rows of zipcode variable in planxw2017 dataset : Zip Codes | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,918 99.18 99.18 33004 | 1 0.01 99.19 33008 | 1 0.01 99.20 33009 | 1 0.01 99.21 33019 | 1 0.01 99.22 33020 | 1 0.01 99.23 33021 | 1 0.01 99.24 33022 | 1 0.01 99.25 33023 | 1 0.01 99.26 33024 | 1 0.01 99.27 33025 | 1 0.01 99.28 33026 | 1 0.01 99.29 33027 | 1 0.01 99.30 33028 | 1 0.01 99.31 33029 | 1 0.01 99.32 33060 | 1 0.01 99.33 33061 | 1 0.01 99.34 33062 | 1 0.01 99.35 33063 | 1 0.01 99.36 33064 | 1 0.01 99.37 33065 | 1 0.01 99.38 33066 | 1 0.01 99.39 33067 | 1 0.01 99.40 33068 | 1 0.01 99.41 33069 | 1 0.01 99.42 33071 | 1 0.01 99.43 33072 | 1 0.01 99.44 33073 | 1 0.01 99.45 33074 | 1 0.01 99.46 33075 | 1 0.01 99.47 33076 | 1 0.01 99.48 33077 | 1 0.01 99.49 33081 | 1 0.01 99.50 33082 | 1 0.01 99.51 33083 | 1 0.01 99.52 33084 | 1 0.01 99.53 33093 | 1 0.01 99.54 33097 | 1 0.01 99.55 33301 | 1 0.01 99.56 33302 | 1 0.01 99.57 33303 | 1 0.01 99.58 33304 | 1 0.01 99.59 33305 | 1 0.01 99.60 33306 | 1 0.01 99.61 33307 | 1 0.01 99.62 33308 | 1 0.01 99.63 33309 | 1 0.01 99.64 33310 | 1 0.01 99.65 33311 | 1 0.01 99.66 33312 | 1 0.01 99.67 33313 | 1 0.01 99.68 33314 | 1 0.01 99.69 33315 | 1 0.01 99.70 33316 | 1 0.01 99.71 33317 | 1 0.01 99.72 33318 | 1 0.01 99.73 33319 | 1 0.01 99.74 33320 | 1 0.01 99.75 33321 | 1 0.01 99.76 33322 | 1 0.01 99.77 33323 | 1 0.01 99.78 33324 | 1 0.01 99.79 33325 | 1 0.01 99.80 33326 | 1 0.01 99.81 33327 | 1 0.01 99.82 33328 | 1 0.01 99.83 33329 | 1 0.01 99.84 33330 | 1 0.01 99.85 33331 | 1 0.01 99.86 33332 | 1 0.01 99.87 33334 | 1 0.01 99.88 33335 | 1 0.01 99.89 33338 | 1 0.01 99.90 33340 | 1 0.01 99.91 33345 | 1 0.01 99.92 33346 | 1 0.01 99.93 33348 | 1 0.01 99.94 33351 | 1 0.01 99.95 33355 | 1 0.01 99.96 33359 | 1 0.01 99.97 33441 | 1 0.01 99.98 33442 | 1 0.01 99.99 33443 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Jun 2017