Frequencies for first 10,000 rows of proc33d variable in nhamcsed1994 dataset :

      other |
  procedure |
     #3 - 3 |
      digit |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,999       99.99       99.99
        914 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016