Frequencies for first 10,000 rows of uprevis variable in natl2012 dataset :

  Number of |
   Prenatal |
 Visits RFP |
 671=f_tpcv |
        U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         28        0.28        0.28
          1 |         68        0.68        0.96
          2 |        114        1.14        2.10
          3 |        155        1.55        3.65
          4 |        249        2.49        6.14
          5 |        343        3.43        9.57
          6 |        504        5.04       14.61
          7 |        547        5.47       20.08
          8 |        727        7.27       27.35
          9 |        910        9.10       36.45
         10 |      1,258       12.58       49.03
         11 |        904        9.04       58.07
         12 |      1,244       12.44       70.51
         13 |        696        6.96       77.47
         14 |        544        5.44       82.91
         15 |        385        3.85       86.76
         16 |        247        2.47       89.23
         17 |        151        1.51       90.74
         18 |        106        1.06       91.80
         19 |         47        0.47       92.27
         20 |        108        1.08       93.35
         21 |         26        0.26       93.61
         22 |         15        0.15       93.76
         23 |         10        0.10       93.86
         24 |          8        0.08       93.94
         25 |          4        0.04       93.98
         26 |          1        0.01       93.99
         27 |          3        0.03       94.02
         28 |          1        0.01       94.03
         29 |          1        0.01       94.04
         30 |          4        0.04       94.08
         32 |          1        0.01       94.09
         33 |          1        0.01       94.10
         35 |          1        0.01       94.11
         36 |          1        0.01       94.12
         39 |          1        0.01       94.13
         40 |          1        0.01       94.14
         42 |          2        0.02       94.16
         49 |          1        0.01       94.17
         99 |        583        5.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 5 May 2016