Frequencies for first 10,000 rows of paytyper variable in nhamcsed2009 dataset :

    recoded |
    primary |
   expected |
  source of |
  payment - |
   based on |
  hierarchy |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |        269        2.69        2.69
         -8 |        446        4.46        7.15
          1 |      3,243       32.43       39.58
          2 |      1,706       17.06       56.64
          3 |      2,490       24.90       81.54
          4 |        107        1.07       82.61
          5 |      1,360       13.60       96.21
          6 |         90        0.90       97.11
          7 |        289        2.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016