However, available systematic indicators show that the prevalence of drug use has increased since around 1980, that the decrease in drug incidence was particularly marked during the 1970s and that some indicators point towards an increase during the 1990s."
Olemasolevad süstemaatilised indikaatorid näitavad aga, et uimastite tarvitamine on 1980. aastatest alates muutunud valdavamaks, et uimastirikkumiste osakaal langes eriti tähelepanuväärselt 1970. aastatel ning et mõned indikaatorid viitavad uimastitarvitamise määrade kasvule 1990. aastatel.”