Consumption of drugs Depression prevalence Total Total Total 100 Total Serious depression symptoms 18,7 Total Other depression symptoms 17,2 Total No depression symptoms 64 Have ever used drugs Total 100 Have ever used drugs Serious depression symptoms 25,7 Have ever used drugs Other depression symptoms 22 Have ever used drugs No depression symptoms 52,3 Have never used drugs Total 100 Have never used drugs Serious depression symptoms 13,5 Have never used drugs Other depression symptoms 13,7 Have never used drugs No depression symptoms 72,8