Frequencies for first 10,000 rows of ssamsa variable in pos1992 dataset : ssa msa | code | Freq. Percent Cum. ------------+----------------------------------- | 10 0.10 0.10 033 | 382 3.82 3.92 034 | 42 0.42 4.34 038 | 32 0.32 4.66 055 | 99 0.99 5.65 074 | 288 2.88 8.53 083 | 49 0.49 9.02 119 | 52 0.52 9.54 127 | 67 0.67 10.21 133 | 13 0.13 10.34 150 | 38 0.38 10.72 154 | 302 3.02 13.74 162 | 45 0.45 14.19 190 | 40 0.40 14.59 193 | 43 0.43 15.02 195 | 39 0.39 15.41 199 | 63 0.63 16.04 208 | 190 1.90 17.94 211 | 44 0.44 18.38 225 | 32 0.32 18.70 253 | 43 0.43 19.13 322 | 223 2.23 21.36 328 | 1,559 15.59 36.95 356 | 23 0.23 37.18 359 | 46 0.46 37.64 373 | 136 1.36 39.00 374 | 65 0.65 39.65 379 | 95 0.95 40.60 418 | 405 4.05 44.65 433 | 122 1.22 45.87 448 | 528 5.28 51.15 449 | 34 0.34 51.49 472 | 38 0.38 51.87 482 | 40 0.40 52.27 488 | 434 4.34 56.61 499 | 252 2.52 59.13 510 | 49 0.49 59.62 523 | 416 4.16 63.78 526 | 297 2.97 66.75 529 | 238 2.38 69.13 534 | 103 1.03 70.16 535 | 36 0.36 70.52 537 | 94 0.94 71.46 580 | 85 0.85 72.31 595 | 21 0.21 72.52 607 | 151 1.51 74.03 613 | 39 0.39 74.42 620 | 87 0.87 75.29 625 | 66 0.66 75.95 665 | 23 0.23 76.18 670 | 34 0.34 76.52 999 | 2,348 23.48 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017