Frequencies for first 10,000 rows of childonlyplanid variable in plan2014 dataset :

    Child Only |
       Plan ID |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |      9,916       99.16       99.16
10191NJ0040001 |          4        0.04       99.20
10191NJ0040002 |          7        0.07       99.27
10191NJ0060001 |          7        0.07       99.34
10191NJ0060002 |          4        0.04       99.38
10191NJ0060003 |          4        0.04       99.42
57845WI0010002 |          4        0.04       99.46
57845WI0010004 |          7        0.07       99.53
57845WI0010006 |          4        0.04       99.57
57845WI0010008 |          4        0.04       99.61
57845WI0010010 |          7        0.07       99.68
57845WI0010012 |          4        0.04       99.72
73751ND0080002 |          3        0.03       99.75
73751ND0080004 |          7        0.07       99.82
73751ND0080006 |          4        0.04       99.86
73751ND0080008 |          3        0.03       99.89
73751ND0080010 |          7        0.07       99.96
73751ND0080012 |          4        0.04      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Dec 2017