Frequencies for b_1_c22_56 variable in hosp_rollup2552_96_2004 dataset :

 b_1_c22_56 |      Freq.     Percent        Cum.
------------+-----------------------------------
        409 |          1        0.02        0.02
       1668 |          1        0.02        0.03
       2801 |          1        0.02        0.05
       4282 |          1        0.02        0.06
       5584 |          1        0.02        0.08
       5931 |          1        0.02        0.10
       6080 |          1        0.02        0.11
      12157 |          1        0.02        0.13
      18813 |          1        0.02        0.15
      66075 |          1        0.02        0.16
      68822 |          1        0.02        0.18
      70128 |          1        0.02        0.19
      88285 |          1        0.02        0.21
      90206 |          1        0.02        0.23
     152044 |          1        0.02        0.24
     172237 |          1        0.02        0.26
     252468 |          1        0.02        0.27
     280843 |          1        0.02        0.29
     293469 |          1        0.02        0.31
     574174 |          1        0.02        0.32
    4116296 |          1        0.02        0.34
    5955591 |          1        0.02        0.35
          . |      6,181       99.65      100.00
------------+-----------------------------------
      Total |      6,203      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018