Frequencies for first 10,000 rows of endscpy_prcdr_rooms_cnt variable in pos2018 dataset :

  Endoscopy |
  Procedure |
 Room Count |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,233       12.33       12.33
          1 |        152        1.52       13.85
          2 |         69        0.69       14.54
          3 |         27        0.27       14.81
          4 |         21        0.21       15.02
          5 |         12        0.12       15.14
          6 |          7        0.07       15.21
          7 |          6        0.06       15.27
          8 |          2        0.02       15.29
         10 |          1        0.01       15.30
         11 |          2        0.02       15.32
         13 |          1        0.01       15.33
         14 |          1        0.01       15.34
         18 |          1        0.01       15.35
         36 |          1        0.01       15.36
          . |      8,464       84.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019