Frequencies for first 10,000 rows of proc52d variable in nhamcsopd2011 dataset :

 Proc 5 - 2 |
      digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,959       99.59       99.59
         28 |          1        0.01       99.60
         51 |          2        0.02       99.62
         65 |          2        0.02       99.64
         86 |          8        0.08       99.72
         89 |          9        0.09       99.81
         90 |          3        0.03       99.84
         91 |          2        0.02       99.86
         95 |          4        0.04       99.90
         99 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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