How much do bourbon hunters spend on bourbon?

Every fall, I take my credit card on a non-stop joyride up and down the east and west coasts looking for the season’s must-have bourbons.  If I see something on my list, I buy it. When the releases finally end, I return to my normal routine and spend the rest of the year paying off my insane bourbon debt and convincing my wife that I don’t have a problem.  “I’m not alone,” I tell her.  “Everyone does this.”  “Prove it,” she says.

So here goes.  Help me settle a long running dispute with my wife about the average cost of bourbon hunting.

How much do you spend on bourbon in a typical year?