  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $34.80 |   | $33.95 | 
  | $0.85 | 
| 2015 | $33.60 | +3.6% | $32.77 | 
+3.6% | $0.82 | 
| 2014 | $32.80 | +2.4% | $32.00 | 
+2.4% | $0.80 | 
| 2013 | $32.01 | +2.5% | $31.23 | 
+2.5% | $0.78 | 
| 2012 | $31.49 | +1.7% | $30.72 | 
+1.7% | $0.77 | 
| 2011 | $30.99 | +1.6% | $30.24 | 
+1.6% | $0.76 | 
| 2010 | $30.34 | +2.2% | $29.60 | 
+2.2% | $0.74 | 
| 2009 | $30.12 | +.7% | $29.38 | 
+.7% | $0.74 | 
| 2008 | $29.19 | +3.2% | $28.47 | 
+3.2% | $0.71 | 
| 2007 | $28.23 | +3.4% | $27.54 | 
+3.4% | $0.69 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $34.80 |   | $20.85 | 
  | $13.95 | 
| 2015 | $33.60 | +3.6% | $20.27 | 
+2.9% | $13.33 | 
| 2014 | $32.80 | +2.4% | $19.83 | 
+2.2% | $12.97 | 
| 2013 | $32.01 | +2.5% | $19.43 | 
+2.1% | $12.57 | 
| 2012 | $31.49 | +1.7% | $19.10 | 
+1.7% | $12.39 | 
| 2011 | $30.99 | +1.6% | $18.80 | 
+1.6% | $12.19 | 
| 2010 | $30.34 | +2.2% | $18.48 | 
+1.7% | $11.85 | 
| 2009 | $30.12 | +.7% | $18.23 | 
+1.4% | $11.88 | 
| 2008 | $29.19 | +3.2% | $17.77 | 
+2.6% | $11.42 | 
| 2007 | $28.23 | +3.4% | $17.20 | 
+3.3% | $11.03 | 
  | 
| Reference Date: 1st Quarter 2016 |