Frequencies for first 10,000 rows of uprevis variable in natl2010 dataset : Number of | Prenatal | Visits RFP | 671=f_tpcv | U;R | Freq. Percent Cum. ------------+----------------------------------- 0 | 48 0.48 0.48 1 | 85 0.85 1.33 2 | 111 1.11 2.44 3 | 160 1.60 4.04 4 | 242 2.42 6.46 5 | 330 3.30 9.76 6 | 473 4.73 14.49 7 | 583 5.83 20.32 8 | 708 7.08 27.40 9 | 811 8.11 35.51 10 | 1,341 13.41 48.92 11 | 790 7.90 56.82 12 | 1,115 11.15 67.97 13 | 670 6.70 74.67 14 | 550 5.50 80.17 15 | 390 3.90 84.07 16 | 219 2.19 86.26 17 | 85 0.85 87.11 18 | 81 0.81 87.92 19 | 43 0.43 88.35 20 | 66 0.66 89.01 21 | 14 0.14 89.15 22 | 18 0.18 89.33 23 | 8 0.08 89.41 24 | 12 0.12 89.53 25 | 9 0.09 89.62 26 | 3 0.03 89.65 27 | 1 0.01 89.66 29 | 1 0.01 89.67 30 | 5 0.05 89.72 31 | 3 0.03 89.75 33 | 1 0.01 89.76 36 | 1 0.01 89.77 40 | 3 0.03 89.80 99 | 1,020 10.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015