Frequencies for first 10,000 rows of tc2s1_1 variable in h68f4 dataset :

     MULTUM |
  THERAPEUT |
SUB-SUB-CLA |
     SS FOR |
      TC2S1 |      Freq.     Percent        Cum.
------------+-----------------------------------
         -1 |      9,706       97.06       97.06
         68 |         47        0.47       97.53
         69 |         88        0.88       98.41
         70 |         20        0.20       98.61
        180 |          2        0.02       98.63
        185 |         59        0.59       99.22
        210 |         15        0.15       99.37
        211 |         38        0.38       99.75
        269 |         17        0.17       99.92
        276 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Feb 2018