Frequencies for cnd_hcc73 variable in hcccoefn dataset :

amyotrophic |
    lateral |
  sclerosis |
  and other |
      motor |
     neuron |
    disease |      Freq.     Percent        Cum.
------------+-----------------------------------
      1.082 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018