Frequencies for first 10,000 rows of incntr_nctrnl_srvc_sw variable in pos2015 

  In-Center |
  Nocturnal |
Hemodialysi |
 s Services |
         In |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,033       90.33       90.33
          N |        934        9.34       99.67
          Y |         33        0.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016