I've just done a few calculations for my accountant. May and June this year I earned about 50 percent of what I did in May and June 2016, but July almost doubled this year. August significantly down, September significantly up, October looking about the same so far. In other words, no rhyme or reason to what happens each month!
Overall I'm 13 percent down this year over last, but that could be because I've not been able to do as many bookings because of being busy in my civvy job, plus a discount offer the summer. So basically, I'd say I'm perhaps only about five percent down in the true sense.