Frequencies for trim variable in drg2003 dataset :

       Trim |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        486       92.22       92.22
         40 |          2        0.38       92.60
         50 |          3        0.57       93.17
         60 |          1        0.19       93.36
         70 |          1        0.19       93.55
         90 |          2        0.38       93.93
        110 |          2        0.38       94.31
        130 |          1        0.19       94.50
        150 |          2        0.38       94.88
        170 |          3        0.57       95.45
        190 |          1        0.19       95.64
        200 |          1        0.19       95.83
        220 |          2        0.38       96.20
        230 |          1        0.19       96.39
        240 |          1        0.19       96.58
        260 |          2        0.38       96.96
        270 |          4        0.76       97.72
        280 |          1        0.19       97.91
        290 |          3        0.57       98.48
        300 |          2        0.38       98.86
        330 |          2        0.38       99.24
        350 |          1        0.19       99.43
        370 |          2        0.38       99.81
        420 |          1        0.19      100.00
------------+-----------------------------------
      Total |        527      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016