Frequencies for first 10,000 rows of dlys_stn_cnt variable in pos2008 dataset :

 stations - |
      total |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,210       92.10       92.10
          1 |          8        0.08       92.18
          2 |          7        0.07       92.25
          3 |          7        0.07       92.32
          4 |          5        0.05       92.37
          5 |          6        0.06       92.43
          6 |         19        0.19       92.62
          7 |         11        0.11       92.73
          8 |         29        0.29       93.02
          9 |         27        0.27       93.29
         10 |         63        0.63       93.92
         11 |         10        0.10       94.02
         12 |         71        0.71       94.73
         13 |         31        0.31       95.04
         14 |         23        0.23       95.27
         15 |         38        0.38       95.65
         16 |         54        0.54       96.19
         17 |         28        0.28       96.47
         18 |         28        0.28       96.75
         19 |         21        0.21       96.96
         20 |         51        0.51       97.47
         21 |         42        0.42       97.89
         22 |         26        0.26       98.15
         23 |          5        0.05       98.20
         24 |         57        0.57       98.77
         25 |         27        0.27       99.04
         26 |         13        0.13       99.17
         27 |          5        0.05       99.22
         28 |         11        0.11       99.33
         29 |          4        0.04       99.37
         30 |         15        0.15       99.52
         31 |          6        0.06       99.58
         32 |         10        0.10       99.68
         33 |          2        0.02       99.70
         34 |          4        0.04       99.74
         35 |          1        0.01       99.75
         36 |          8        0.08       99.83
         37 |          2        0.02       99.85
         38 |          2        0.02       99.87
         40 |          3        0.03       99.90
         41 |          1        0.01       99.91
         42 |          1        0.01       99.92
         44 |          1        0.01       99.93
         47 |          1        0.01       99.94
         48 |          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