Actually, I reched my milestone/New year's resolution in June and got 100 subscribers for my manga:
For this year I'm actually pretty happy! If anyone wants to help me reach 150 subs in 2018 though, I wouldn't say no! X3
Aside from that I agree with @OliviaMerteli, I want to be able to post 1 page per week. As for now it is still working out, but my buffer is running a tad low and I'm writing my Bachelor thesis, too...
In 2019, I'd love to go back to 2 pages/week! =) Please keep your fingers crossed that this works out <3