RM18700...waaaa

Today, on the way to work, heard one quiz on FLY FM. The answer worths a staggering RM18700... Imagine that. Just give one answer and weeeeeeeeeeeeeeee, we have nearly 20k to spend. Gonna spend my whole weekend to find it. If I cn't find it, i will die trying...>.<
The question is, what does Malaysia have the 3rd highest number of? Get the answer and get the 20k plz...its stuck there for quite sometime already.haha