Frequencies for first 10,000 rows of dlys_stn_cnt variable in pos2003 dataset :

 stations - |
      total |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,269       92.69       92.69
          1 |          4        0.04       92.73
          2 |          6        0.06       92.79
          3 |          7        0.07       92.86
          4 |          6        0.06       92.92
          5 |          7        0.07       92.99
          6 |         21        0.21       93.20
          7 |         11        0.11       93.31
          8 |         24        0.24       93.55
          9 |         27        0.27       93.82
         10 |         73        0.73       94.55
         11 |          7        0.07       94.62
         12 |         70        0.70       95.32
         13 |         30        0.30       95.62
         14 |         24        0.24       95.86
         15 |         35        0.35       96.21
         16 |         52        0.52       96.73
         17 |         22        0.22       96.95
         18 |         31        0.31       97.26
         19 |         18        0.18       97.44
         20 |         49        0.49       97.93
         21 |         33        0.33       98.26
         22 |         31        0.31       98.57
         23 |          7        0.07       98.64
         24 |         36        0.36       99.00
         25 |         25        0.25       99.25
         26 |          8        0.08       99.33
         27 |          6        0.06       99.39
         28 |          8        0.08       99.47
         29 |          5        0.05       99.52
         30 |          9        0.09       99.61
         31 |          6        0.06       99.67
         32 |          4        0.04       99.71
         33 |          3        0.03       99.74
         34 |          6        0.06       99.80
         35 |          1        0.01       99.81
         36 |         10        0.10       99.91
         38 |          2        0.02       99.93
         40 |          1        0.01       99.94
         41 |          1        0.01       99.95
         42 |          1        0.01       99.96
         54 |          1        0.01       99.97
         59 |          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