It was reported in various website that there are 19.5 million ton of tin is smuggled in 2015. This number does not make sense to me. Since the official production is 70 thousand ton. This 70-80 thousand tonne of tin is accounted for 20% world production. So we are talking number that 1,000 times bigger. But in 2014, it also reported that illegal tin export is 301 million ton for duration 9 years, or it almost 30 million ton per year. The number is tied up, but there is something wrong.
Another news reported that it was 30 thousand ton per year, which for me its makes sense. Around 30-40% of tin production is smuggled.