Frequencies for first 10,000 rows of crtfct_type_cd variable in posclia2012 dat

       CLIA |
Certificate |
  Type Code |
        (1) |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,257       12.57       12.57
          2 |      6,435       64.35       76.92
          3 |        428        4.28       81.20
          4 |      1,120       11.20       92.40
          9 |        401        4.01       96.41
          . |        359        3.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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