Frequencies for first 10,000 rows of mager variable in natl2016 dataset : Mother's | Single | Years of | Age 12 10 | -- 12 years | Freq. Percent Cum. ------------+----------------------------------- 13 | 1 0.01 0.01 14 | 6 0.06 0.07 15 | 12 0.12 0.19 16 | 33 0.33 0.52 17 | 56 0.56 1.08 18 | 151 1.51 2.59 19 | 279 2.79 5.38 20 | 314 3.14 8.52 21 | 397 3.97 12.49 22 | 487 4.87 17.36 23 | 534 5.34 22.70 24 | 572 5.72 28.42 25 | 628 6.28 34.70 26 | 637 6.37 41.07 27 | 642 6.42 47.49 28 | 634 6.34 53.83 29 | 613 6.13 59.96 30 | 629 6.29 66.25 31 | 619 6.19 72.44 32 | 514 5.14 77.58 33 | 485 4.85 82.43 34 | 379 3.79 86.22 35 | 382 3.82 90.04 36 | 282 2.82 92.86 37 | 201 2.01 94.87 38 | 163 1.63 96.50 39 | 133 1.33 97.83 40 | 82 0.82 98.65 41 | 53 0.53 99.18 42 | 38 0.38 99.56 43 | 19 0.19 99.75 44 | 9 0.09 99.84 45 | 6 0.06 99.90 46 | 6 0.06 99.96 47 | 2 0.02 99.98 50 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 4 Oct 2017