Frequencies for first 10,000 rows of aabb_acrdtd_y_match_sw variable in posclia2018 dataset :

    AO AABB |
 Accredited |
    Y Match |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      9,995       99.95       99.95
          Y |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019