Age Drug use and type of drugs Total Total Total 28,552 Total Have ever used drugs 12,017 Total Have used drugs in the last month 5,200 Total - Marijuana or hashish 4,527 Total - Cocaine 1,889 Total - Heroine 872 Total - Other 402 Total Have not used drugs in the last month 6,770 Total No record of drug use in the last month 48 Total Have never used drugs 16,401 Total Not given 134 Between 18 and 29 years Total 6,036 Between 18 and 29 years Have ever used drugs 1,916 Between 18 and 29 years Have used drugs in the last month 1,122 Between 18 and 29 years - Marijuana or hashish 1,076 Between 18 and 29 years - Cocaine 336 Between 18 and 29 years - Heroine 156 Between 18 and 29 years - Other 82 Between 18 and 29 years Have not used drugs in the last month 794 Between 18 and 29 years No record of drug use in the last month 0 Between 18 and 29 years Have never used drugs 4,104 Between 18 and 29 years Not given 16 Between 30 and 44 years Total 8,573 Between 30 and 44 years Have ever used drugs 4,000 Between 30 and 44 years Have used drugs in the last month 1,992 Between 30 and 44 years - Marijuana or hashish 1,643 Between 30 and 44 years - Cocaine 681 Between 30 and 44 years - Heroine 304 Between 30 and 44 years - Other 204 Between 30 and 44 years Have not used drugs in the last month 2,001 Between 30 and 44 years No record of drug use in the last month 6 Between 30 and 44 years Have never used drugs 4,529 Between 30 and 44 years Not given 44 Between 45 and 64 years Total 12,366 Between 45 and 64 years Have ever used drugs 5,786 Between 45 and 64 years Have used drugs in the last month 2,017 Between 45 and 64 years - Marijuana or hashish 1,746 Between 45 and 64 years - Cocaine 865 Between 45 and 64 years - Heroine 399 Between 45 and 64 years - Other 116 Between 45 and 64 years Have not used drugs in the last month 3,728 Between 45 and 64 years No record of drug use in the last month 41 Between 45 and 64 years Have never used drugs 6,535 Between 45 and 64 years Not given 44 More than 64 years Total 1,578 More than 64 years Have ever used drugs 315 More than 64 years Have used drugs in the last month 69 More than 64 years - Marijuana or hashish 62 More than 64 years - Cocaine 7 More than 64 years - Heroine 13 More than 64 years - Other 0 More than 64 years Have not used drugs in the last month 246 More than 64 years No record of drug use in the last month 0 More than 64 years Have never used drugs 1,233 More than 64 years Not given 30