3600 are produced daily I think....
And it is only a small fraction of total exchange volume.
According to blockchain.inf/markets, bitstamp has ~$9.5 million in trades in the last 24 hours, with bitcoin trading at ~$400, that works out to ~24k bitcoin in the last 24 hours. The amount mined per day is roughly 15% of that figure. Taking away 15% of the supply of a product would almost always have an impact on the price