Finished my training 5 years ago. Got a job within a couple months like 10 of the 12 or so guys in my class. Today two are flying. Four got some stick time, but only 2 made it a career. If I had not been successful I wouldn't be posting.
I am approaching 1000 hours and love my job. But I know I am part of the very small minority that makes it.
Unfortunately I have met 40ish (probably more but don't want to over-estimate) industry-employed 100hr grads. Of those, four will be lucky to get into the seat (most already quit).
I agree with the 10-20% flying success rate.