Frequencies for first 10,000 rows of dlys_stn_cnt variable in pos2015 dataset :

      Total |
   Approved |
   Stations |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        126        1.26        1.26
          1 |         11        0.11        1.37
          2 |          9        0.09        1.46
          3 |         10        0.10        1.56
          4 |          6        0.06        1.62
          5 |          8        0.08        1.70
          6 |         18        0.18        1.88
          7 |         12        0.12        2.00
          8 |         31        0.31        2.31
          9 |         28        0.28        2.59
         10 |         62        0.62        3.21
         11 |          8        0.08        3.29
         12 |         73        0.73        4.02
         13 |         27        0.27        4.29
         14 |         21        0.21        4.50
         15 |         35        0.35        4.85
         16 |         56        0.56        5.41
         17 |         26        0.26        5.67
         18 |         29        0.29        5.96
         19 |         14        0.14        6.10
         20 |         72        0.72        6.82
         21 |         30        0.30        7.12
         22 |         29        0.29        7.41
         23 |          3        0.03        7.44
         24 |         82        0.82        8.26
         25 |         31        0.31        8.57
         26 |         15        0.15        8.72
         27 |          3        0.03        8.75
         28 |         14        0.14        8.89
         29 |          1        0.01        8.90
         30 |         17        0.17        9.07
         31 |          5        0.05        9.12
         32 |         13        0.13        9.25
         33 |          3        0.03        9.28
         34 |          8        0.08        9.36
         35 |          4        0.04        9.40
         36 |          8        0.08        9.48
         38 |          3        0.03        9.51
         40 |          4        0.04        9.55
         41 |          1        0.01        9.56
         42 |          2        0.02        9.58
         47 |          1        0.01        9.59
         48 |          1        0.01        9.60
         52 |          1        0.01        9.61
         55 |          1        0.01        9.62
         56 |          1        0.01        9.63
         58 |          1        0.01        9.64
         59 |          1        0.01        9.65
         76 |          1        0.01        9.66
        240 |          1        0.01        9.67
          . |      9,033       90.33      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016