15 in a week isn't bad in January.
Keep plugging, if you get another 10 next week then you have 25, and it keeps rolling. You will lose a couple of your new ones here and there, but it will grow if you keep going and working on it.
Go out every day and canvas
Whatever you do, don't sit back on your bum and wonder why nothings happening. It will only happen if you make it happen