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WASHINGTON (CBSMiami/AP) — The Hillary Clinton campaign says the Democratic nominee and her husband paid a federal tax rate of 34.2 percent and donated 9.8 percent of their income to charity last year.

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The Clintons are releasing their 2015 filings on Friday. Her campaign is also releasing returns from running mate Tim Kaine and his wife.

The campaign says the Kaines have donated 7.5 percent of their income to charity over the last decade. They paid an effective tax rate of 25.6 percent in 2015.

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Clinton is trying to undercut the trustworthiness of rival Donald Trump. He has refused to disclose any returns, breaking tradition with all recent presidential candidates.

Trump says he won’t release them until Internal Revenue Service completes audits of his returns.

The Clintons have disclosed returns for every year since 1977.

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