Frequencies for first 10,000 rows of gpmed6 variable in nhamcsed2009 dataset :

med 6 given |
in ed or rx |
         at |
  discharge |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         13        0.13        0.13
         -7 |      9,538       95.38       95.51
          1 |        276        2.76       98.27
          2 |        147        1.47       99.74
          3 |         26        0.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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