The bureau of labor statistics says:

This industry ranks among the fastest growing manufacturing industries.

More than 6 out of 10 workers have a bachelor’s, master’s, professional, or Ph.D. degree—twice the proportion for all industries combined.

43.3 percent of all jobs are in large establishments employing more than 1000 workers.

Earnings are much higher than in other manufacturing industries.

Here is the website with the full report:
http://www.bls.gov/oco/cg/CGS009.htm

Looks like a good industry to work in!
Omai