First-time claims for unemployment insurance in Louisiana for the week ending March 14 decreased to 2,520 from the previous week’s total of 2,782.

For the comparable week a year earlier, there were 2,232, the state labor department said.

Manufacturing had the highest over-the-week decrease in initial claims, followed by mining, which employs oil and gas exploration and extraction workers.

The four-week moving average, which is a less volatile measure of claims, decreased to 2,501 from the previous week’s total of 2,502.

Continued unemployment claims for the week ending March 14 decreased to 20,758 compared to 21,113 the previous week. The four-week moving average decreased to 21,021 from the previous week’s average of 21,190.