Frequencies for first 10,000 rows of packagesize variable in sdued2013 dataset 

    Package |
       Size |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |        114        1.14        1.14
         01 |      2,431       24.31       25.45
         02 |        493        4.93       30.38
         03 |        314        3.14       33.52
         04 |        182        1.82       35.34
         05 |        630        6.30       41.64
         06 |        165        1.65       43.29
         07 |         54        0.54       43.83
         08 |         50        0.50       44.33
         09 |         82        0.82       45.15
         10 |        721        7.21       52.36
         11 |        185        1.85       54.21
         12 |         89        0.89       55.10
         13 |        116        1.16       56.26
         14 |         49        0.49       56.75
         15 |        156        1.56       58.31
         16 |        156        1.56       59.87
         17 |         26        0.26       60.13
         18 |         41        0.41       60.54
         19 |         57        0.57       61.11
         20 |        205        2.05       63.16
         21 |        132        1.32       64.48
         22 |         38        0.38       64.86
         23 |         35        0.35       65.21
         24 |         32        0.32       65.53
         25 |        211        2.11       67.64
         26 |         18        0.18       67.82
         27 |          9        0.09       67.91
         28 |         87        0.87       68.78
         29 |         21        0.21       68.99
         30 |        395        3.95       72.94
         31 |        105        1.05       73.99
         32 |         83        0.83       74.82
         33 |         22        0.22       75.04
         34 |         31        0.31       75.35
         35 |         63        0.63       75.98
         36 |         12        0.12       76.10
         37 |         33        0.33       76.43
         38 |          8        0.08       76.51
         39 |          9        0.09       76.60
         40 |         42        0.42       77.02
         41 |         20        0.20       77.22
         42 |         22        0.22       77.44
         43 |          7        0.07       77.51
         44 |         28        0.28       77.79
         45 |         49        0.49       78.28
         46 |         61        0.61       78.89
         47 |         15        0.15       79.04
         48 |         18        0.18       79.22
         49 |         20        0.20       79.42
         50 |        148        1.48       80.90
         51 |         31        0.31       81.21
         52 |         33        0.33       81.54
         53 |         32        0.32       81.86
         54 |         55        0.55       82.41
         55 |         36        0.36       82.77
         56 |        113        1.13       83.90
         57 |          6        0.06       83.96
         58 |         48        0.48       84.44
         59 |         40        0.40       84.84
         60 |        305        3.05       87.89
         61 |         82        0.82       88.71
         62 |         19        0.19       88.90
         63 |         36        0.36       89.26
         64 |         29        0.29       89.55
         65 |         28        0.28       89.83
         66 |         19        0.19       90.02
         67 |          8        0.08       90.10
         68 |         25        0.25       90.35
         69 |          9        0.09       90.44
         70 |         64        0.64       91.08
         71 |         13        0.13       91.21
         72 |         12        0.12       91.33
         73 |         26        0.26       91.59
         74 |         18        0.18       91.77
         75 |         25        0.25       92.02
         76 |         11        0.11       92.13
         77 |         30        0.30       92.43
         78 |         28        0.28       92.71
         79 |         13        0.13       92.84
         80 |         60        0.60       93.44
         81 |         35        0.35       93.79
         82 |         12        0.12       93.91
         83 |         31        0.31       94.22
         84 |          4        0.04       94.26
         85 |         18        0.18       94.44
         86 |         26        0.26       94.70
         87 |         10        0.10       94.80
         88 |         52        0.52       95.32
         89 |          8        0.08       95.40
         90 |        165        1.65       97.05
         91 |         30        0.30       97.35
         92 |         52        0.52       97.87
         93 |         56        0.56       98.43
         94 |         14        0.14       98.57
         95 |         18        0.18       98.75
         96 |         12        0.12       98.87
         97 |          6        0.06       98.93
         98 |         79        0.79       99.72
         99 |         28        0.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Feb 2018