Frequencies for first 10,000 rows of crtfct_type_cd variable in posclia2017 dat

       CLIA |
Certificate |
  Type Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        720        7.20        7.20
          2 |      7,094       70.94       78.14
          3 |        476        4.76       82.90
          4 |      1,468       14.68       97.58
          9 |        242        2.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Jan 2018