Don't you notice that two bottles of champagne dis...

Don't you notice that two bottles of champagne disappear every day? Cristal rosee 2007/2009, dom perignon rosee, dom perignon p2, salon.
Yesterday and yesterday the other a bottle of cristal rosee and a bottle of dom perignon p2.
But I wonder not to give bottles? Is it possible that a waiter has the possibility of stealing at these levels?