Infographic: Labor Day by the Numbers

Image: Quality control inspectors in a mint in Philadelphia look out for blemished coin in 1948.
Quality control inspectors in a mint in Philadelphia look out for blemished coins in 1948. Rejected coins are placed in the locked boxes on the left. The belts are constructed so that the women on the right can inspect the obverse side of the coins.Three Lions / Getty Images file

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This week's "by the numbers" infographic breaks down the facts and figures behind the Labor Day holiday.

NBC News

Graphic designer: Erich Bartlebargh.

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