Frequencies for first 10,000 rows of numdis variable in nhamcsed2006 dataset :

 number of meds prescribed at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
none listed, listed drug given at ed on |      5,236       52.36       52.36
                                      1 |      2,634       26.34       78.70
                                      2 |      1,580       15.80       94.50
                                      3 |        431        4.31       98.81
                                      4 |         92        0.92       99.73
                                      5 |         11        0.11       99.84
                                      6 |          6        0.06       99.90
                                      7 |          4        0.04       99.94
                                      8 |          6        0.06      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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