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

    for new |
  patients, |
  physician |
   accepts: |
self-paymen |
          t |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,784       87.84       87.84
          2 |        320        3.20       91.04
          3 |        121        1.21       92.25
          4 |        775        7.75      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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