Frequencies for first 10,000 rows of gnrl_cntl_type_cd variable in pos1992 dataset :

    type of |
    control |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        122        1.22        1.22
         01 |      1,487       14.87       16.09
         02 |      1,594       15.94       32.03
         03 |      3,047       30.47       62.50
         04 |      1,571       15.71       78.21
         05 |        496        4.96       83.17
         06 |        517        5.17       88.34
         07 |        556        5.56       93.90
         08 |        209        2.09       95.99
         09 |         28        0.28       96.27
         10 |         66        0.66       96.93
         11 |         59        0.59       97.52
         12 |         10        0.10       97.62
         13 |         16        0.16       97.78
         14 |          1        0.01       97.79
         15 |          3        0.03       97.82
         1A |         26        0.26       98.08
         1B |         30        0.30       98.38
         1C |          8        0.08       98.46
         2A |          3        0.03       98.49
         2B |        151        1.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017