Frequencies for first 10,000 rows of rx1v1c1 variable in namcs2012 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,161       31.61       31.61
        001 |        709        7.09       38.70
        020 |         97        0.97       39.67
        028 |          3        0.03       39.70
        040 |        641        6.41       46.11
        057 |      1,492       14.92       61.03
        081 |         98        0.98       62.01
        087 |        287        2.87       64.88
        097 |        434        4.34       69.22
        105 |        190        1.90       71.12
        113 |         70        0.70       71.82
        115 |        261        2.61       74.43
        122 |        448        4.48       78.91
        133 |        717        7.17       86.08
        218 |         43        0.43       86.51
        242 |        513        5.13       91.64
        254 |        422        4.22       95.86
        331 |          1        0.01       95.87
        358 |        385        3.85       99.72
        365 |          3        0.03       99.75
        899 |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016