|  | 
| Mean Wage History | 
| Year | This Occupation
 | Compared to Occupational Group
 | Difference | 
| Current | $33.58 |  | $23.15 |  | $10.43 | 
| 2015 | $32.75 | +2.5% | $22.57 | +2.5% | $10.17 | 
| 2014 | $32.07 | +2.1% | $22.11 | +2.1% | $9.96 | 
| 2013 | $31.40 | +2.1% | $21.65 | +2.1% | $9.75 | 
| 2012 | $30.94 | +1.5% | $21.33 | +1.5% | $9.61 | 
| 2011 | $30.27 | +2.2% | $20.87 | +2.2% | $9.40 | 
| 2010 | $29.92 | +1.2% | $20.63 | +1.2% | $9.29 | 
| 2009 | $29.41 | +1.7% | $20.27 | +1.7% | $9.13 | 
| 2008 | $28.55 | +3.0% | $19.68 | +3.0% | $8.87 | 
| 2007 | $27.71 | +3.0% | $19.11 | +3.0% | $8.61 | 
| Year | This Occupation
 | Compared to All Occupations
 | Difference | 
| Current | $33.58 |  | $20.53 |  | $13.05 | 
| 2015 | $32.75 | +2.5% | $19.96 | +2.9% | $12.79 | 
| 2014 | $32.07 | +2.1% | $19.53 | +2.2% | $12.54 | 
| 2013 | $31.40 | +2.1% | $19.14 | +2.1% | $12.27 | 
| 2012 | $30.94 | +1.5% | $18.81 | +1.7% | $12.14 | 
| 2011 | $30.27 | +2.2% | $18.51 | +1.6% | $11.76 | 
| 2010 | $29.92 | +1.2% | $18.20 | +1.7% | $11.72 | 
| 2009 | $29.41 | +1.7% | $17.95 | +1.4% | $11.46 | 
| 2008 | $28.55 | +3.0% | $17.49 | +2.6% | $11.05 | 
| 2007 | $27.71 | +3.0% | $16.94 | +3.3% | $10.78 | 
|  | 
|
| Reference Date: 1st Quarter 2016 |