Frequencies for first 10,000 rows of pct0210064 variable in sf12010860us19 dataset :

Maritime/me |
     rchant |
    vessels |
      (900) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,979       99.79       99.79
          1 |          1        0.01       99.80
          3 |          1        0.01       99.81
          4 |          2        0.02       99.83
          5 |          2        0.02       99.85
          7 |          3        0.03       99.88
          8 |          1        0.01       99.89
         10 |          1        0.01       99.90
         11 |          1        0.01       99.91
         16 |          1        0.01       99.92
         18 |          1        0.01       99.93
         19 |          1        0.01       99.94
         20 |          1        0.01       99.95
         23 |          1        0.01       99.96
         34 |          1        0.01       99.97
         47 |          1        0.01       99.98
         51 |          1        0.01       99.99
         54 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Apr 2017