Frequencies for first 10,000 rows of mednurse variable in namcs2004 dataset :

medical/nur |
  sing asst |
       seen |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,029       80.29       80.29
          1 |      1,971       19.71      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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