Many American union workers who voted for President Donald Trump in the 2016 election are increasingly beginning to regret their decision—and realize that Trump has been firmly on the side of the rich all along.

That’s according to new survey data published by Reuters on Friday, which shows that between March of 2017 and March of this year, Trump’s support among union members has fallen by 15 percent.

Bolstering the growing discontent among workers revealed by the poll numbers, Reuters also conducted interviews with dozens of workers and found that they are particularly angry at Trump’s $1.5 trillion tax cut, which they believe is mostly rewarding “corporations and wealthy people.”

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