Frequencies for s5_c2_7 variable in prds_hosp10_yr2017 dataset :

    station |
    S500000 |
      00700 |
      00200 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |         11        0.29        0.29
          3 |         23        0.61        0.91
          4 |          3        0.08        0.99
          5 |          1        0.03        1.01
          6 |          1        0.03        1.04
         12 |          1        0.03        1.07
         24 |          1        0.03        1.09
         90 |          2        0.05        1.15
          . |      3,706       98.85      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018