|  | 
| Mean Wage History | 
| Year | This Occupation
 | Compared to Occupational Group
 | Difference | 
| Current | $20.95 |  | $11.96 |  | $8.99 | 
| 2015 | $20.39 | +2.7% | $11.64 | +2.7% | $8.75 | 
| 2014 | $19.99 | +2.0% | $11.41 | +2.0% | $8.58 | 
| 2013 | $19.73 | +1.3% | $11.27 | +1.3% | $8.47 | 
| 2012 | $19.45 | +1.5% | $11.10 | +1.5% | $8.34 | 
| 2011 | $19.18 | +1.4% | $10.95 | +1.4% | $8.23 | 
| 2010 | $18.97 | +1.1% | $10.83 | +1.1% | $8.14 | 
| 2009 | $18.60 | +2.0% | $10.62 | +2.0% | $7.98 | 
| 2008 | $18.09 | +2.8% | $10.33 | +2.8% | $7.76 | 
| 2007 | $17.39 | +4.1% | $9.92 | +4.1% | $7.46 | 
| Year | This Occupation
 | Compared to All Occupations
 | Difference | 
| Current | $20.95 |  | $19.47 |  | $1.48 | 
| 2015 | $20.39 | +2.7% | $18.93 | +2.9% | $1.47 | 
| 2014 | $19.99 | +2.0% | $18.52 | +2.2% | $1.47 | 
| 2013 | $19.73 | +1.3% | $18.15 | +2.1% | $1.59 | 
| 2012 | $19.45 | +1.5% | $17.84 | +1.7% | $1.61 | 
| 2011 | $19.18 | +1.4% | $17.56 | +1.6% | $1.62 | 
| 2010 | $18.97 | +1.1% | $17.26 | +1.7% | $1.71 | 
| 2009 | $18.60 | +2.0% | $17.03 | +1.4% | $1.58 | 
| 2008 | $18.09 | +2.8% | $16.59 | +2.6% | $1.50 | 
| 2007 | $17.39 | +4.1% | $16.06 | +3.3% | $1.32 | 
|  | 
|
| Reference Date: 1st Quarter 2016 |