The federal government collected $313B in revenue in December 2018, down from $325B in revenue in December 2017.

So overall, 2018 saw about $62B less in revenue collected vs. 2017.

This is the first time since the Great Recession that revenue has been lower than the prior calendar year.

This is the second time in the last 19 years that revenue dropped after a tax cut from the previous year's total(Bush Tax Cuts).

So Conservatives lied when they said their tax cut would generate increased economic activity to offset the revenue loss from the rate cuts.

So the central premise of Conservative economics, that cutting taxes increases growth, is complete bullshit disproved by actual Treasury Statements.