Pennsylvania's manufacturers lost 133,800 jobs, or 19.4 percent, between April 2004 and April 2014, according to the state Department of Labor and Industry. But sectors such as professional and business services and education and health services grew by 20.4 and 17.7 percent, respectively.
Construction jobs dipped by 12,800, or 5.2 percent, while government lost 39,300, or 5.2 percent. But the former picked up 6,200 jobs from April 2009.
When it comes to unions by industry in Pennsylvania over the last decade, percentages have declined in manufacturing, transportation and utilities, and educational and health services. There are also few unionized workers in professional and business services, according to the U.S. Census Bureau's Current Population Survey, or CPS.
Construction and public administration have experienced growth in the number of unionized workers, according to the estimates.