HEROIN, METH MOST ABUSED
Last year, 2,466 repeat abusers were arrested, making up 69 per cent of the total number of 3,574 abusers arrested.
The number of new abusers arrested rose by 1 per cent, from 1,092 in 2012 to 1,108 last year.
Heroin and methamphetamine remain the most abused drugs, accounting for 92 per cent of all arrests.
The number of Chinese abusers arrested rose by 14 per cent to 1,257 last year while arrests of Malays and Indians dropped by 4 per cent (1,708) and 5 per cent (538) respectively.
The trend was similar among new abusers arrested, with more Chinese and fewer Malays and Indians.
Abusers aged 20 to 49 made up 75 per cent of arrests last year while 50 per cent of new abusers arrested were aged 20 to 29.