Frequencies for s5_c1_7 variable in hcris2552_10_2013 dataset :

    station |
    s500000 |
00700 00100 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          2 |         65        1.04        1.06
          3 |        123        1.97        3.02
          4 |         26        0.42        3.44
          5 |          1        0.02        3.46
          6 |          2        0.03        3.49
          8 |          1        0.02        3.51
         10 |          1        0.02        3.52
         12 |          3        0.05        3.57
         14 |          1        0.02        3.59
         15 |          1        0.02        3.60
         18 |          2        0.03        3.63
         64 |          1        0.02        3.65
         84 |          2        0.03        3.68
         90 |          1        0.02        3.70
        120 |          1        0.02        3.71
        624 |          1        0.02        3.73
        626 |          1        0.02        3.75
       3357 |          1        0.02        3.76
          . |      6,013       96.24      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018