Frequencies for first 10,000 rows of acc_opdtests variable in mcbsatc2013 datas

 Reason for |
 OPD visit: |
      tests |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |        240        2.40        2.40
         -7 |          2        0.02        2.42
          1 |      2,004       20.04       22.46
          2 |      1,651       16.51       38.97
          . |      6,103       61.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 May 2016