Frequencies for first 10,000 rows of gnrl_cntl_type_cd variable in posclia2012 

    General |
    Type of |
    Control |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        283        2.83        2.83
         10 |        208        2.08        4.91
          2 |      1,230       12.30       17.21
          3 |        459        4.59       21.80
          4 |      7,320       73.20       95.00
          5 |         79        0.79       95.79
          6 |        168        1.68       97.47
          7 |        120        1.20       98.67
          8 |         50        0.50       99.17
          9 |         83        0.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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