Frequencies for first 10,000 rows of ssamsacd variable in pos1999 dataset : ssa msa | code | Freq. Percent Cum. ------------+----------------------------------- | 12 0.12 0.12 033 | 366 3.66 3.78 034 | 71 0.71 4.49 038 | 30 0.30 4.79 055 | 123 1.23 6.02 074 | 249 2.49 8.51 119 | 56 0.56 9.07 133 | 14 0.14 9.21 150 | 47 0.47 9.68 162 | 40 0.40 10.08 190 | 51 0.51 10.59 193 | 46 0.46 11.05 199 | 67 0.67 11.72 208 | 194 1.94 13.66 211 | 39 0.39 14.05 253 | 47 0.47 14.52 322 | 270 2.70 17.22 328 | 1,560 15.60 32.82 356 | 30 0.30 33.12 359 | 55 0.55 33.67 373 | 148 1.48 35.15 374 | 62 0.62 35.77 379 | 117 1.17 36.94 418 | 385 3.85 40.79 433 | 154 1.54 42.33 448 | 551 5.51 47.84 449 | 42 0.42 48.26 482 | 51 0.51 48.77 488 | 516 5.16 53.93 499 | 240 2.40 56.33 510 | 52 0.52 56.85 523 | 409 4.09 60.94 526 | 261 2.61 63.55 529 | 205 2.05 65.60 534 | 98 0.98 66.58 535 | 36 0.36 66.94 537 | 99 0.99 67.93 580 | 85 0.85 68.78 595 | 32 0.32 69.10 607 | 165 1.65 70.75 613 | 47 0.47 71.22 620 | 89 0.89 72.11 625 | 76 0.76 72.87 665 | 25 0.25 73.12 670 | 38 0.38 73.50 999 | 2,650 26.50 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016