  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $34.72 |   | $33.95 | 
  | $0.77 | 
| 2015 | $33.52 | +3.6% | $32.77 | 
+3.6% | $0.74 | 
| 2014 | $32.73 | +2.4% | $32.00 | 
+2.4% | $0.73 | 
| 2013 | $31.93 | +2.5% | $31.23 | 
+2.5% | $0.71 | 
| 2012 | $31.41 | +1.7% | $30.72 | 
+1.7% | $0.70 | 
| 2011 | $30.92 | +1.6% | $30.24 | 
+1.6% | $0.69 | 
| 2010 | $30.27 | +2.2% | $29.60 | 
+2.2% | $0.67 | 
| 2009 | $30.05 | +.7% | $29.38 | 
+.7% | $0.67 | 
| 2008 | $29.12 | +3.2% | $28.47 | 
+3.2% | $0.65 | 
| 2007 | $28.16 | +3.4% | $27.54 | 
+3.4% | $0.62 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $34.72 |   | $20.85 | 
  | $13.87 | 
| 2015 | $33.52 | +3.6% | $20.27 | 
+2.9% | $13.25 | 
| 2014 | $32.73 | +2.4% | $19.83 | 
+2.2% | $12.89 | 
| 2013 | $31.93 | +2.5% | $19.43 | 
+2.1% | $12.50 | 
| 2012 | $31.41 | +1.7% | $19.10 | 
+1.7% | $12.31 | 
| 2011 | $30.92 | +1.6% | $18.80 | 
+1.6% | $12.12 | 
| 2010 | $30.27 | +2.2% | $18.48 | 
+1.7% | $11.78 | 
| 2009 | $30.05 | +.7% | $18.23 | 
+1.4% | $11.82 | 
| 2008 | $29.12 | +3.2% | $17.77 | 
+2.6% | $11.35 | 
| 2007 | $28.16 | +3.4% | $17.20 | 
+3.3% | $10.96 | 
  | 
| Reference Date: 1st Quarter 2016 |