Once again, he understands that if sales figures increase, it means that if there had been no taxation, the sales figures might be higher. It is important to consider all the factors since the implementation of the tax in 2014. After that, we can see if there is an impact. If there had been no tax, the sales might be even higher. What Corinne said was going in this direction.
On October 18th, 2017. See this statement in context.