Frequencies for a_c1_12 variable in prds_hosp10_yr2017 dataset :

Maintenance |
         of |
  Personnel |
    A000000 |
      01200 |
      00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
        388 |          1        0.03        0.03
       2750 |          1        0.03        0.05
      14620 |          1        0.03        0.08
      59180 |          1        0.03        0.11
      62995 |          1        0.03        0.13
      90113 |          1        0.03        0.16
      98490 |          1        0.03        0.19
     115883 |          1        0.03        0.21
     126922 |          1        0.03        0.24
     168973 |          1        0.03        0.27
     181917 |          1        0.03        0.29
     200766 |          1        0.03        0.32
     223493 |          1        0.03        0.35
     298327 |          1        0.03        0.37
     304067 |          1        0.03        0.40
     357775 |          1        0.03        0.43
     386250 |          1        0.03        0.45
     399782 |          1        0.03        0.48
     499243 |          1        0.03        0.51
     613287 |          1        0.03        0.53
     739432 |          1        0.03        0.56
     749747 |          1        0.03        0.59
     992631 |          1        0.03        0.61
    1054968 |          1        0.03        0.64
    1163151 |          1        0.03        0.67
    3688029 |          1        0.03        0.69
          . |      3,723       99.31      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018