You like that, read this. Now it does say that harvest is mostly hatchery fish since statehood, but since 1973 our stocks have gone steadily down while Alaska Commercial harvest has skyrocketed. I am not making any claims so don't flame me yet, but this data is pretty darn good.

http://www.adfg.state.ak.us/pubs/afrb/vol1_n1/meacv1n1.pdf