Company 1 (~25 employees, entertainment industry. No benefits. No stock.)
1997-2000 $30,757.56 (entry level)
2001-2002 $98,944.97 (junior)
2003 $128,986.96 (senior)
Company 2 (post dot-com crash brought salaries way down, ~150 employees, software company. Ok benefits. No stock.)
2003-2005 $66,838.10 (mid-level)
2006 $77,699.29 (senior)
Company 3 (non-tech startup, 5 full-time employees. OK benefits. Small amount of stock.)
2007 $114,465.95 (senior)
2008-2012 $77,529.03 (senior, pay cut after investments were cut)
Company 4 (~120 employees, ad firm. Goodish benefits. No stock.)
2013 $100,000 (mid-level)
2014 $110,000 (senior)
Not only do company sizes, upward trajectories, educational background, company industry, etc. impact earnings, but where you are in relation to business cycles and booms/busts really matter.