Frequencies for b_1_c22_56 variable in hosp_rollup2552_96_2007 dataset :

 b_1_c22_56 |      Freq.     Percent        Cum.
------------+-----------------------------------
        312 |          1        0.02        0.02
        327 |          1        0.02        0.03
       1038 |          1        0.02        0.05
       3518 |          1        0.02        0.06
       5399 |          1        0.02        0.08
       5404 |          1        0.02        0.10
       6315 |          1        0.02        0.11
       7664 |          1        0.02        0.13
      16962 |          1        0.02        0.14
      28987 |          1        0.02        0.16
      40447 |          1        0.02        0.18
      66981 |          1        0.02        0.19
     103701 |          1        0.02        0.21
     128796 |          1        0.02        0.22
     132751 |          1        0.02        0.24
     200415 |          1        0.02        0.26
     291507 |          1        0.02        0.27
     320255 |          1        0.02        0.29
     330367 |          1        0.02        0.30
     378299 |          1        0.02        0.32
    4498191 |          1        0.02        0.34
    5896951 |          1        0.02        0.35
          . |      6,212       99.65      100.00
------------+-----------------------------------
      Total |      6,234      100.00

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