Frequencies for first 10,000 rows of dlys_stn_cnt variable in pos2005 dataset :

 stations - |
      total |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,247       92.47       92.47
          1 |          5        0.05       92.52
          2 |          6        0.06       92.58
          3 |          6        0.06       92.64
          4 |          5        0.05       92.69
          5 |          6        0.06       92.75
          6 |         20        0.20       92.95
          7 |         12        0.12       93.07
          8 |         24        0.24       93.31
          9 |         25        0.25       93.56
         10 |         75        0.75       94.31
         11 |          8        0.08       94.39
         12 |         75        0.75       95.14
         13 |         30        0.30       95.44
         14 |         25        0.25       95.69
         15 |         35        0.35       96.04
         16 |         52        0.52       96.56
         17 |         23        0.23       96.79
         18 |         27        0.27       97.06
         19 |         20        0.20       97.26
         20 |         53        0.53       97.79
         21 |         34        0.34       98.13
         22 |         28        0.28       98.41
         23 |          5        0.05       98.46
         24 |         46        0.46       98.92
         25 |         24        0.24       99.16
         26 |         10        0.10       99.26
         27 |          5        0.05       99.31
         28 |         11        0.11       99.42
         29 |          5        0.05       99.47
         30 |         12        0.12       99.59
         31 |          5        0.05       99.64
         32 |          7        0.07       99.71
         33 |          2        0.02       99.73
         34 |          4        0.04       99.77
         35 |          1        0.01       99.78
         36 |         10        0.10       99.88
         38 |          2        0.02       99.90
         40 |          2        0.02       99.92
         41 |          1        0.01       99.93
         42 |          1        0.01       99.94
         44 |          1        0.01       99.95
         54 |          1        0.01       99.96
         56 |          1        0.01       99.97
         60 |          1        0.01       99.98
         76 |          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