Frequencies for eprolst variable in namcsphys2005_2010 dataset :

if practice |
   has comp |
 system for |
pat history |
& demo info |
    does it |
    include |
   patient  |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |        301        4.04        4.04
         -8 |        230        3.09        7.13
         -7 |      1,064       14.28       21.41
         -6 |      2,326       31.23       52.64
          1 |      1,947       26.14       78.78
          2 |      1,522       20.43       99.21
          4 |         59        0.79      100.00
------------+-----------------------------------
      Total |      7,449      100.00

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