Dear Oby,

Attached please find two publications that cover the answer to your question.

You can get the data for Bangladesh from the health ministry of the country.

Hoping this will be helpful,

Rafik

Dear Rafik brother thanks for your kind informations.

I think that following links will answer yr question.

Best regards

https://en.wikipedia.org/wiki/Cocaine_intoxication

http://www.emedicinehealth.com/drug_dependence_and_abuse/article_em.htm

http://www.bmj.com/content/295/6605/1021?variant=abstract

http://www.tandfonline.com/doi/abs/10.3109/00952999309001618#.VmCbwHarTIU

http://www.sciencedirect.com/science/article/pii/S0300483X04006250

http://www.sciencedirect.com/science/article/pii/S0140673611611380

Dear Ali A R Aldallal sir thanks for your kind informations