Frequencies for first 10,000 rows of proc42d variable in nhamcsopd2011 dataset :

 Proc 4 - 2 |
      digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,802       98.02       98.02
         00 |          1        0.01       98.03
         06 |          1        0.01       98.04
         08 |          1        0.01       98.05
         09 |          1        0.01       98.06
         12 |          2        0.02       98.08
         13 |          4        0.04       98.12
         28 |          2        0.02       98.14
         31 |          1        0.01       98.15
         32 |          1        0.01       98.16
         39 |          2        0.02       98.18
         40 |          1        0.01       98.19
         51 |          2        0.02       98.21
         53 |          7        0.07       98.28
         54 |          3        0.03       98.31
         65 |          1        0.01       98.32
         69 |          1        0.01       98.33
         80 |          1        0.01       98.34
         81 |          2        0.02       98.36
         85 |          1        0.01       98.37
         86 |         11        0.11       98.48
         87 |          3        0.03       98.51
         88 |          2        0.02       98.53
         89 |         64        0.64       99.17
         90 |          7        0.07       99.24
         91 |          5        0.05       99.29
         92 |          1        0.01       99.30
         93 |          1        0.01       99.31
         94 |          1        0.01       99.32
         95 |         54        0.54       99.86
         96 |          1        0.01       99.87
         99 |         13        0.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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