The number of newly diagnosed HIV cases among drug users has decreased to 13.4 per million population in 2009 b
A regular increase in quantities of cannabis resin seized could also be observed over recent years, though there has been a recent decline between 2008 (61 tonnes) and 2009 (23 tonnes).
Increased uptake of treatment.[8]
Reduction in HIV diagnoses amongst drug users by 71%[13]
Reduction in drug related deaths, although this reduction has decreased in later years, and the number of drug related deaths is now almost on the same level as before the Drug strategy was implemented.[8][13] However, this may be accounted for by improvement in measurement practices, which includes a doubling of toxicological autopsies now being performed, meaning that more drugs related deaths are likely to be recorded.[14]
from that same link you gave..nice to see you left this out..
and this must be looked at
The success of drug decriminalization in Portugal - Washington, D.C. - Salon.com
Portugal’s Drug Experience: New Study Confirms Decriminalization Was a Success – TIME Healthland