Frequencies for first 10,000 rows of hpid variable in plan2018 dataset :

       HPID |
  (National |
Health Plan |
Identifier) |      Freq.     Percent        Cum.
------------+-----------------------------------
   7.00e+09 |         32        0.32        0.32
   7.08e+09 |        120        1.20        1.52
   7.08e+09 |          6        0.06        1.58
   7.11e+09 |        642        6.42        8.00
   7.11e+09 |         66        0.66        8.66
   7.15e+09 |         52        0.52        9.18
   7.19e+09 |         21        0.21        9.39
   7.22e+09 |          2        0.02        9.41
   7.27e+09 |        159        1.59       11.00
   7.35e+09 |        104        1.04       12.04
   7.35e+09 |         45        0.45       12.49
   7.39e+09 |         19        0.19       12.68
   7.43e+09 |         64        0.64       13.32
   7.45e+09 |          6        0.06       13.38
   7.54e+09 |         80        0.80       14.18
   7.57e+09 |          3        0.03       14.21
   7.61e+09 |          4        0.04       14.25
   7.64e+09 |        125        1.25       15.50
   7.70e+09 |        120        1.20       16.70
   7.73e+09 |        127        1.27       17.97
   7.74e+09 |        431        4.31       22.28
   7.79e+09 |         21        0.21       22.49
   7.82e+09 |         88        0.88       23.37
   7.89e+09 |          6        0.06       23.43
   7.91e+09 |         22        0.22       23.65
   7.93e+09 |         41        0.41       24.06
   7.96e+09 |         63        0.63       24.69
          . |      7,531       75.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 23 May 2018