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

The average rate on 30-year fixed mortgages fell to 4.78 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 4.78 4.80 5.06 4.1715-year fixed 3.97 4.02 4.39 3.575-year adjustable 3.51 3.61 4.00 3.251-year adjustable 3.15 3.16 4.25 3.15

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