Frequencies for first 10,000 rows of dlys_stn_cnt variable in pos2002 dataset :

 stations - |
      total |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,297       92.97       92.97
          1 |          2        0.02       92.99
          2 |          4        0.04       93.03
          3 |          7        0.07       93.10
          4 |          6        0.06       93.16
          5 |          8        0.08       93.24
          6 |         21        0.21       93.45
          7 |         13        0.13       93.58
          8 |         24        0.24       93.82
          9 |         25        0.25       94.07
         10 |         74        0.74       94.81
         11 |          8        0.08       94.89
         12 |         64        0.64       95.53
         13 |         30        0.30       95.83
         14 |         25        0.25       96.08
         15 |         32        0.32       96.40
         16 |         50        0.50       96.90
         17 |         19        0.19       97.09
         18 |         31        0.31       97.40
         19 |         17        0.17       97.57
         20 |         46        0.46       98.03
         21 |         32        0.32       98.35
         22 |         29        0.29       98.64
         23 |          8        0.08       98.72
         24 |         32        0.32       99.04
         25 |         26        0.26       99.30
         26 |         10        0.10       99.40
         27 |          5        0.05       99.45
         28 |          9        0.09       99.54
         29 |          5        0.05       99.59
         30 |          7        0.07       99.66
         31 |          6        0.06       99.72
         32 |          2        0.02       99.74
         33 |          2        0.02       99.76
         34 |          5        0.05       99.81
         35 |          2        0.02       99.83
         36 |          7        0.07       99.90
         38 |          1        0.01       99.91
         40 |          1        0.01       99.92
         41 |          1        0.01       99.93
         42 |          1        0.01       99.94
         48 |          1        0.01       99.95
         49 |          1        0.01       99.96
         59 |          1        0.01       99.97
         76 |          1        0.01       99.98
        103 |          1        0.01       99.99
        161 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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