Frequencies for first 10,000 rows of crdc_cthrtztn_prcdr_rooms_cnt variable in pos2016 dataset :

    Cardiac |
Catheteriza |
       tion |
  Procedure |
 Room Count |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,377       13.77       13.77
          1 |         64        0.64       14.41
          2 |         34        0.34       14.75
          3 |         18        0.18       14.93
          4 |         10        0.10       15.03
          5 |          8        0.08       15.11
          6 |          6        0.06       15.17
          7 |          2        0.02       15.19
          8 |          1        0.01       15.20
          . |      8,480       84.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017