Frequencies for first 10,000 rows of rx2v1c1 variable in namcs2012 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,146       51.46       51.46
        001 |        278        2.78       54.24
        020 |         48        0.48       54.72
        028 |          1        0.01       54.73
        040 |        619        6.19       60.92
        057 |      1,081       10.81       71.73
        081 |         66        0.66       72.39
        087 |        202        2.02       74.41
        097 |        275        2.75       77.16
        105 |        121        1.21       78.37
        113 |         43        0.43       78.80
        115 |        286        2.86       81.66
        122 |        420        4.20       85.86
        133 |        427        4.27       90.13
        153 |          1        0.01       90.14
        218 |         61        0.61       90.75
        242 |        307        3.07       93.82
        254 |        235        2.35       96.17
        358 |        379        3.79       99.96
        899 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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