Frequencies for first 10,000 rows of intrn_rsdnt_srvc_cd variable in pos2015 da

  Services: |
Interns and |
  Residents |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,865       88.65       88.65
          0 |      1,116       11.16       99.81
          1 |          6        0.06       99.87
          2 |         12        0.12       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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