Frequencies for first 10,000 rows of cntyrfip variable in natl1990 dataset : County of | Residence | (FIPS) | Freq. Percent Cum. ------------+----------------------------------- 00000 | 2 0.02 0.02 01015 | 233 2.33 2.35 01055 | 222 2.22 4.57 01073 | 1,685 16.85 21.42 01089 | 851 8.51 29.93 01097 | 346 3.46 33.39 01101 | 800 8.00 41.39 01125 | 269 2.69 44.08 01999 | 5,383 53.83 97.91 05999 | 2 0.02 97.93 12031 | 2 0.02 97.95 12033 | 1 0.01 97.96 12071 | 1 0.01 97.97 12091 | 1 0.01 97.98 12999 | 35 0.35 98.33 13063 | 1 0.01 98.34 13121 | 1 0.01 98.35 13215 | 1 0.01 98.36 13999 | 78 0.78 99.14 19999 | 1 0.01 99.15 20173 | 1 0.01 99.16 22055 | 1 0.01 99.17 24005 | 1 0.01 99.18 24031 | 1 0.01 99.19 28047 | 2 0.02 99.21 28059 | 3 0.03 99.24 28999 | 12 0.12 99.36 29099 | 1 0.01 99.37 29999 | 1 0.01 99.38 34025 | 1 0.01 99.39 36999 | 1 0.01 99.40 37129 | 1 0.01 99.41 39999 | 1 0.01 99.42 40143 | 1 0.01 99.43 42999 | 1 0.01 99.44 45003 | 1 0.01 99.45 47999 | 51 0.51 99.96 48141 | 2 0.02 99.98 54999 | 1 0.01 99.99 56999 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016