Mortgage rates for the past 52 weeks at a glance (AP)

The average rate on a 30-year fixed mortgage rose to 4.91 percent this week, Freddie Mac said Thursday. Here's a historical look at rates for fixed and adjustable mortgages for the last 52 weeks.Current week's average rate Previous week's average rate 52-week high 52-week low30-year fixed 4.91 4.87 5.07 4.1715-year fixed 4.13 4.10 4.40 3.575-year adjustable 3.78 3.72 4.08 3.251-year adjustable 3.25 3.22 4.25 3.17

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