Frequencies for first 10,000 rows of rx4v2c2 variable in namcs2013 dataset :

   For RX4, |
 level 2 of |
MULTUM drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,664       96.64       96.64
        005 |          8        0.08       96.72
        012 |          4        0.04       96.76
        015 |          4        0.04       96.80
        019 |          5        0.05       96.85
        046 |         36        0.36       97.21
        053 |          6        0.06       97.27
        064 |         28        0.28       97.55
        065 |         23        0.23       97.78
        083 |         95        0.95       98.73
        098 |          2        0.02       98.75
        101 |          3        0.03       98.78
        104 |          9        0.09       98.87
        106 |          1        0.01       98.88
        117 |          7        0.07       98.95
        123 |          8        0.08       99.03
        124 |         12        0.12       99.15
        125 |          4        0.04       99.19
        127 |          1        0.01       99.20
        130 |          4        0.04       99.24
        132 |          1        0.01       99.25
        136 |          7        0.07       99.32
        146 |          2        0.02       99.34
        151 |          3        0.03       99.37
        192 |          4        0.04       99.41
        219 |          3        0.03       99.44
        220 |          1        0.01       99.45
        247 |          1        0.01       99.46
        249 |          1        0.01       99.47
        251 |          5        0.05       99.52
        253 |          2        0.02       99.54
        288 |          1        0.01       99.55
        289 |          8        0.08       99.63
        293 |          1        0.01       99.64
        303 |          7        0.07       99.71
        320 |          9        0.09       99.80
        340 |          8        0.08       99.88
        401 |          1        0.01       99.89
        417 |          6        0.06       99.95
        422 |          1        0.01       99.96
        423 |          3        0.03       99.99
        460 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017