Sentence:  The table shows that three-year "<WSD>persistencies</WSD>" range from 89.6 per cent with Standard Life (this means only 10 per cent of plans have lapsed after three years) to 58.9 per cent with Sun Life (almost 40 per cent of plans lapse after three years). 
Meaning of the word marked with <WSD> tags:  A measure of how much something persists.