Frequencies for first 10,000 rows of smsares variable in natl1972 dataset : Standard | Metropolita | n | Statistical | Area SMSA | of | residence | Freq. Percent Cum. ------------+----------------------------------- 000 | 5,308 53.08 53.08 002 | 1 0.01 53.09 003 | 1 0.01 53.10 004 | 1 0.01 53.11 014 | 1 0.01 53.12 024 | 3 0.03 53.15 026 | 1,711 17.11 70.26 038 | 1 0.01 70.27 041 | 6 0.06 70.33 047 | 1 0.01 70.34 048 | 80 0.80 71.14 051 | 1 0.01 71.15 053 | 1 0.01 71.16 059 | 1 0.01 71.17 061 | 1 0.01 71.18 072 | 1 0.01 71.19 074 | 254 2.54 73.73 087 | 1 0.01 73.74 089 | 577 5.77 79.51 093 | 2 0.02 79.53 097 | 1 0.01 79.54 099 | 2 0.02 79.56 103 | 1 0.01 79.57 118 | 1 0.01 79.58 124 | 1 0.01 79.59 128 | 1,088 10.88 90.47 131 | 612 6.12 96.59 134 | 2 0.02 96.61 136 | 3 0.03 96.64 137 | 1 0.01 96.65 149 | 14 0.14 96.79 159 | 1 0.01 96.80 177 | 1 0.01 96.81 204 | 2 0.02 96.83 212 | 314 3.14 99.97 218 | 1 0.01 99.98 228 | 1 0.01 99.99 ZZZ | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016