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HARRISBURG (KDKA/AP) — Democratic Gov. Tom Wolf’s administration is blaming President Donald Trump for a sharp increase in the cost of health insurance that’ll take effect next year for residents who buy individual plans.

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Wolf’s administration released the approved 2018 rates Monday, saying the average increase will be just 30.6 percent. The administration says the increase would’ve been less than 8 percent if Trump hadn’t halted cost-sharing reduction payments to insurers or created uncertainty around the fate of the individual mandate.

In a statement, Wolf accused Congress of being complicit in the rate increases because it didn’t appropriate the cost-sharing reduction payments that Trump is ending.

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UPMC Health Options, Inc. asked for a 7.96 percent increase, but was approved for an increase of 41.15 percent.

Highmark Inc. requested an increase of 19.65 percent and was approved for a 25.27 percent rate increase.

Open enrollment for 2018 starts Nov. 1 and people must sign up by Dec. 15 for coverage that’s effective Jan. 1. Increases in small group plan rates will average 7.6 percent in 2018.

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(© Copyright 2017 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)