Frequencies for first 10,000 rows of nnochrge variable in namcs2003 dataset :

    for new |
  patients, |
       phys |
accepts: no |
     charge |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        490        4.90        4.90
          1 |      5,230       52.30       57.20
          2 |      3,493       34.93       92.13
          3 |        787        7.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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