What America's Users Spend on Illegal Drugs 1988-2000 - National ...

TABLE OF CONTENTSACKNOWLEDGEMENTS.................................................................................................................... VIIDISCLAIMER......................................................................................................................................... VIIPUBLIC DOMAIN NOTICE................................................................................................................. VIIEXECUTIVE SUMMARY.........................................................................................................................1INTRODUCTION.......................................................................................................................................5DISCUSSION AND RESULTS .................................................................................................................6COCAINE AND HEROIN..............................................................................................................................6The Number of Cocaine and Heroin <strong>Users</strong>...........................................................................................6COMPOSITE ...............................................................................................................................................9Trends in Drug Use ............................................................................................................................11Average Amount Spent on Cocaine and Heroin.................................................................................13Total Expenditures on Cocaine and Heroin........................................................................................14HEROIN ...................................................................................................................................................14How Varying the Assumptions Affects the Estimates ........................................................................15Accounting for Income in Kind..........................................................................................................17How Much Cocaine and Heroin is Consumed?..................................................................................17METHAMPHETAMINE ..............................................................................................................................20MARIJUANA ............................................................................................................................................23Number of Marijuana <strong>Users</strong> ...............................................................................................................24Average Number of Joints Used Each Month ....................................................................................24Average Amount of Marijuana Used..................................................................................................24Price....................................................................................................................................................25OTHER DRUGS ........................................................................................................................................27CONCLUSION ABOUT CONSUMPTION......................................................................................................28SUMMARY AND COMPARISON WITH SUPPLY-BASED ESTIMATES OF AVAILABILITY.32APPENDIX................................................................................................................................................37ENDNOTES...............................................................................................................................................49v