Frequencies for first 10,000 rows of nnochrge variable in namcs2005 dataset :

    for new |
  patients, |
  physician |
accepts: no |
     charge |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         41        0.41        0.41
          1 |      4,392       43.92       44.33
          2 |      3,930       39.30       83.63
          3 |        862        8.62       92.25
          4 |        775        7.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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