Last year, there were only seven strikes involving 1000 or more employees. This was less than half the amount of similar strikes for the prior year and made it the second lowest year on record since 1947, according to data from the Department of Labor. The total number of strikers in 2017 was 25,000, with 2009 being the lowest on record with 13,000.

Here’s a quick comparison out of the LRIRightnow database libraries: