Assertion: vanillin's volume | /r/HasProperty | 15,000-16,000 tons per year
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Source sentences:
text: The volume of vanillin consumption in the world is 15,000-16,000 tons per year, of which only about 20-40 tons is natural vanillin - about 0.2 percent,- says Vladimir Botvin, the head of the Laboratory of Polymer and Composite Materials at the Institute of Institute Smart Materials and Technologies.