Frequencies for first 10,000 rows of wgtcd_tr variable in person dataset :

     Weight |
 Code-Truck |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          7        0.07        0.07
          1 |      1,569       15.69       15.76
          2 |        707        7.07       22.83
          3 |         17        0.17       23.00
          4 |          1        0.01       23.01
          5 |          7        0.07       23.08
          6 |         34        0.34       23.42
          7 |         48        0.48       23.90
          8 |        291        2.91       26.81
          9 |        878        8.78       35.59
          . |      6,441       64.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016