The amount of buyers are relatively stable, so chilli prices are higher and higher. 

It's known that since chillis were purchased for export, their prices've been increasing, chilli consumption are more and more. 
 

Since the beginning of harvest season this year, chilli prices have increased from 12,000 VND to  20.000 VND/kg. Traders come to right in the gardens to buy so the bussiness is very convenient.

 

Source: http://cafef.vn