World Oil Production per Capita Has Little Change

There is remarkably little change in world oil production per capita per year:

Note the vertical axis scale is fairly refined, so the annual fluctuations are only about ±5% at most. I would have guessed there'd be a fairly large positive trend. 

Sources:

Oil production  

World Population

I should look at consumption (oil, not tuberculosis).

PS: In US oil-speak, "Mb" means thousands of barrels and MMb means millions of barrels. (Boo.) Took me awhile to figure that out.