Frequencies for first 10,000 rows of physn_ext_prtm_cnt variable in pos1994 dataset :

  physician |
 extender - |
  part time |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,988       99.88       99.88
        .09 |          2        0.02       99.90
        .14 |          2        0.02       99.92
        .33 |          1        0.01       99.93
        .39 |          1        0.01       99.94
        .46 |          1        0.01       99.95
        .51 |          1        0.01       99.96
        .57 |          2        0.02       99.98
        .86 |          1        0.01       99.99
       3.51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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