From the summary:
Millions of Americans have substance use disorders, yet experts estimate that the vast majority of those in need of treatment do not receive any care. These disorders often result in not only serious harm to the health of the individuals, but also enormous financial and social consequences that go beyond the health care system—including the loss of economic productivity due to withdrawal from the workforce and increased rates of crime, disability, and death. According to the National Institute on Drug Abuse, the combined direct and indirect costs of substance use disorder reaches into the hundreds of billions of dollars annually. …
• 21.6 million Americans aged 12 and older had a substance use disorder in 2013
• 18% of Americans with a substance use disorder received treatment in 2013
• 69% of spending on substance use disorder treatments was by public sources in 2009
• $9.4 billion is what states and localities spent on substance use disorder treatments in 2009 ….