Frequencies for first 10,000 rows of intrn_rsdnt_srvc_cd variable in pos2013 da

  Services: |
Interns and |
  Residents |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,622       86.22       86.22
          0 |      1,352       13.52       99.74
          1 |          7        0.07       99.81
          2 |         17        0.17       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016