. icd10 gen pneumonia = cause if resp==1, range(J12/J189). tabulate pneumonia pneumoniaFreq. Percent Cum. 0187,594 79.07 79.07 149,660 20.93 100.00 Total237,254 100.00 We see that about 21% of all deaths from respiratory illnesses in the US in 2010 were from pneumonia. ...