"accrue by" is a correct and commonly used phrase in written English.
It means to increase gradually over time. Example: "Interest on the loan will accrue by 2% every month until the full amount is paid off." In this sentence, "accrue by" is used to indicate that the interest will gradually increase by 2% each month.
Larry Summers, for example, has endorsed the view that trillions of dollars of benefits would accrue by opening international markets.
The first is that he is bringing his business tactics to diplomacy, seeing what advantages he can accrue by throwing his weight around and being unpredictable.
But with another 2.2bn of surplus allowances likely to accrue by 2020, Sandbag says that attention should now switch to tightening the market's cap as quickly as possible.
But if mainstream theatres have been slow to respond to the creative benefits that could accrue by employing disabled people, should disabled artists eschew the mainstream?
And bravo to those nameless millionaires who join the increasingly exclusive company of philanthropists interested only in the good their funds can accomplish, not in the public credit the givers can accrue by providing them.
The latest BBC concessions are designed to protect the value of the money paid into that scheme against inflation by guaranteeing that the corporation's contributions will accrue by inflation or by 4%, whichever is lower.
Adding to the debt already accrued by my undergraduate studies is less than ideal.
He also points to the benefits accrued by the papers' growing online audiences.
Any shortfall accrued by a tenant because of the bedroom tax can now be re-instated by a DHP.
Much of the spike was driven by the share of total income accrued by the richest 1percentt of households.
"There's a big difference between the climate debt accrued by rich countries as a result of their emitting CO2 over a long period of time and the often unjust debt which has been accrued by poorer countries," he says.
