In 2001, Portugal Revised the Legal Sanctions Against Illicit Drug

In 2001, Portugal revised the legal sanctions against illicit drug use so the consequences were in proportion to the crimes.Since then, they found

A) the number of illicit drug users has remained about the same, and demand on the health care system has stopped growing each year.
B) the quality of illicit drugs has dropped, since drug dealers no longer had to worry about customer loyalty in an era when the consequences for use were lower.
C) there has been a reduced consumption of drugs overall in the past 15 years.
D) the number of illicit drugs being smuggled into the country appears to be about the same each year, although interdiction is now easier.