http://www.npr.org/2013/02/19/172373123/older-tech-workers-oppose-increasing-h-1b-visas http://www.npr.org/2013/02/19/172373123/older-tech-workers-o... somewhat

http://www.npr.org/2013/02/19/172373123/older-tech-workers-oppose-increasing-h-1b-visas http://www.npr.org/2013/02/19/172373123/older-tech-workers-o... somewhat casually mentions the stagnation according to the Bureau of Labor Statistics. It's remarkably difficult to find wages by year.