Frequencies for prvdr_ctrl_type_cd variable in rnl_rpt265_94_2008 dataset :

   provider |
    control |
  type code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        126        2.70        2.70
         10 |          1        0.02        2.72
         11 |      1,500       32.09       34.81
          2 |         72        1.54       36.35
          3 |         13        0.28       36.63
          4 |      2,475       52.95       89.58
          5 |        202        4.32       93.90
          6 |        262        5.61       99.51
          7 |          3        0.06       99.57
          8 |         18        0.39       99.96
          9 |          2        0.04      100.00
------------+-----------------------------------
      Total |      4,674      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018