Frequencies for first 10,000 rows of ssamsacd variable in pos1998 dataset : ssa msa | code | Freq. Percent Cum. ------------+----------------------------------- | 12 0.12 0.12 033 | 355 3.55 3.67 034 | 70 0.70 4.37 038 | 29 0.29 4.66 055 | 124 1.24 5.90 074 | 241 2.41 8.31 083 | 7 0.07 8.38 119 | 58 0.58 8.96 127 | 11 0.11 9.07 133 | 14 0.14 9.21 150 | 42 0.42 9.63 154 | 38 0.38 10.01 162 | 37 0.37 10.38 190 | 49 0.49 10.87 193 | 43 0.43 11.30 195 | 5 0.05 11.35 199 | 65 0.65 12.00 208 | 196 1.96 13.96 211 | 38 0.38 14.34 225 | 3 0.03 14.37 253 | 40 0.40 14.77 322 | 258 2.58 17.35 328 | 1,571 15.71 33.06 356 | 30 0.30 33.36 359 | 54 0.54 33.90 373 | 147 1.47 35.37 374 | 66 0.66 36.03 379 | 114 1.14 37.17 418 | 381 3.81 40.98 433 | 149 1.49 42.47 448 | 536 5.36 47.83 449 | 42 0.42 48.25 472 | 4 0.04 48.29 482 | 51 0.51 48.80 488 | 514 5.14 53.94 499 | 236 2.36 56.30 510 | 53 0.53 56.83 523 | 405 4.05 60.88 526 | 265 2.65 63.53 529 | 208 2.08 65.61 534 | 98 0.98 66.59 535 | 39 0.39 66.98 537 | 99 0.99 67.97 580 | 82 0.82 68.79 595 | 32 0.32 69.11 607 | 160 1.60 70.71 613 | 46 0.46 71.17 620 | 91 0.91 72.08 625 | 78 0.78 72.86 665 | 25 0.25 73.11 670 | 37 0.37 73.48 999 | 2,652 26.52 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016