Frequencies for pcargtyp variable in parkwork dataset :

 cargo body |
       type |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        972       84.82       84.82
          1 |         69        6.02       90.84
          2 |          7        0.61       91.45
          3 |         24        2.09       93.54
          4 |          8        0.70       94.24
          5 |          3        0.26       94.50
          7 |          7        0.61       95.11
          8 |          2        0.17       95.29
         11 |          1        0.09       95.38
         12 |          1        0.09       95.46
         22 |          3        0.26       95.72
         96 |         15        1.31       97.03
         97 |         15        1.31       98.34
         98 |         17        1.48       99.83
         99 |          2        0.17      100.00
------------+-----------------------------------
      Total |      1,146      100.00

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