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

    Someone |
accompanies |
    explain |
instruction |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         23        0.23        0.23
         -7 |          1        0.01        0.24
          1 |      1,441       14.41       14.65
          2 |      2,483       24.83       39.48
          . |      6,052       60.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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