WASHINGTON (AP) — Long-term U.S. mortgage rates were unchanged to lower this week, as the benchmark 30-year rate reached a new low for the year.

Mortgage buyer Freddie Mac says the 30-year fixed-rate mortgage averaged 3.88 percent, down from 3.90 percent last week. The rate stood at 3.48 percent a year ago and averaged a record low 3.65 percent in 2016.

The 15-year, fixed-rate home loan, popular with homeowners seeking to refinance their mortgages, was unchanged last week at 3.17 percent.