Frequencies for numhosps variable in hqi_national_payment dataset :

  Number of |
  hospitals |
    too few |      Freq.     Percent        Cum.
------------+-----------------------------------
        479 |          1       33.33       33.33
        942 |          1       33.33       66.67
       1944 |          1       33.33      100.00
------------+-----------------------------------
      Total |          3      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016