Sentence:  Business loans generally are repayable in regular installments - usually monthly , including interest at the rate of 5 - 1/2 percent <WSD>per</WSD> annum on the unpaid balance - and have a maximum maturity of 10 years ; the term of loans for working capital is 6 years . 
Meaning of the word marked with <WSD> tags:  by the year; every year (usually with reference to a sum of money paid or received)