Frequencies for first 10,000 rows of prov5945 variable in posclia2010 dataset :

 laboratory |
classificat |
      ion 1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        282        2.82        2.82
         00 |      9,698       96.98       99.80
         05 |          1        0.01       99.81
         10 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016