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

The average rate on 30-year fixed mortgages fell to 4.51 percent this week, Freddie Mac said Thursday. Here's a look at rates for fixed and adjustable mortgages for the past 52 weeks:Current week's average rate Previous week's average rate 52-week high 52-week low30-year fixed 4.51 4.60 5.05 4.1915-year fixed 3.65 3.75 4.29 3.575-year adjustable 3.29 3.30 3.92 3.221-year adjustable 2.95 3.01 3.74 2.95

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