Frequencies for first 10,000 rows of uprevis variable in natl2013 dataset :

  Number of |
   Prenatal |
 Visits RFP |
 671=f_tpcv |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        106        1.06        1.06
          1 |         56        0.56        1.62
          2 |        127        1.27        2.89
          3 |        171        1.71        4.60
          4 |        231        2.31        6.91
          5 |        314        3.14       10.05
          6 |        488        4.88       14.93
          7 |        538        5.38       20.31
          8 |        808        8.08       28.39
          9 |        960        9.60       37.99
         10 |      1,186       11.86       49.85
         11 |        964        9.64       59.49
         12 |      1,013       10.13       69.62
         13 |        720        7.20       76.82
         14 |        538        5.38       82.20
         15 |        394        3.94       86.14
         16 |        255        2.55       88.69
         17 |        145        1.45       90.14
         18 |         99        0.99       91.13
         19 |         92        0.92       92.05
         20 |         85        0.85       92.90
         21 |         36        0.36       93.26
         22 |         39        0.39       93.65
         23 |         20        0.20       93.85
         24 |         21        0.21       94.06
         25 |         19        0.19       94.25
         26 |          9        0.09       94.34
         27 |         11        0.11       94.45
         28 |          3        0.03       94.48
         29 |          2        0.02       94.50
         30 |          7        0.07       94.57
         31 |          5        0.05       94.62
         32 |          1        0.01       94.63
         33 |          1        0.01       94.64
         34 |          2        0.02       94.66
         35 |          2        0.02       94.68
         37 |          2        0.02       94.70
         38 |          3        0.03       94.73
         40 |          2        0.02       94.75
         42 |          1        0.01       94.76
         44 |          3        0.03       94.79
         99 |        521        5.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015