May 2022 revenues increased 10.6% from April, the largest May increase since 2006. Year-over-year, May revenues were up 19.5% over May 2021. Year-to-date, revenues are up 21% compared to 2021. Looking at units, shipments are down by 0.2%, basically flat compared to 2021 year-to-date. The North American PCB book-to bill ratio was flat compared to April at 1.03. Before April, the last time the ratio was that low was in October 2020. However, a ratio above one is still a positive sign for sales six months from now. The ratio has been above 1.0 since November 2020.
