That is certainly an eye-opener, and puts a lot of doubt on the reliance of casinos on whales. You profitability is much higher in the latter part of the year, with much lower wagering.

115 days 40 BTC profit per day 36,088 wagered per day
221 days 58 BTC profit per day 4,668 wagered per day 

Your return on any given day ranges from 18.73% to -12.60%