  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $15.91 |   | $17.86 | 
  | -$1.95 | 
| 2015 | $15.41 | +3.3% | $17.29 | 
+3.3% | -$1.88 | 
| 2014 | $15.06 | +2.3% | $16.90 | 
+2.3% | -$1.84 | 
| 2013 | $14.77 | +1.9% | $16.58 | 
+1.9% | -$1.81 | 
| 2012 | $14.53 | +1.7% | $16.31 | 
+1.7% | -$1.78 | 
| 2011 | $14.29 | +1.6% | $16.04 | 
+1.6% | -$1.75 | 
| 2010 | $14.14 | +1.1% | $15.87 | 
+1.1% | -$1.73 | 
| 2009 | $13.89 | +1.8% | $15.59 | 
+1.8% | -$1.70 | 
| 2008 | $13.53 | +2.7% | $15.19 | 
+2.7% | -$1.65 | 
| 2007 | $13.22 | +2.3% | $14.84 | 
+2.3% | -$1.62 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $15.91 |   | $20.85 | 
  | -$4.94 | 
| 2015 | $15.41 | +3.3% | $20.27 | 
+2.9% | -$4.86 | 
| 2014 | $15.06 | +2.3% | $19.83 | 
+2.2% | -$4.77 | 
| 2013 | $14.77 | +1.9% | $19.43 | 
+2.1% | -$4.66 | 
| 2012 | $14.53 | +1.7% | $19.10 | 
+1.7% | -$4.57 | 
| 2011 | $14.29 | +1.6% | $18.80 | 
+1.6% | -$4.50 | 
| 2010 | $14.14 | +1.1% | $18.48 | 
+1.7% | -$4.34 | 
| 2009 | $13.89 | +1.8% | $18.23 | 
+1.4% | -$4.34 | 
| 2008 | $13.53 | +2.7% | $17.77 | 
+2.6% | -$4.23 | 
| 2007 | $13.22 | +2.3% | $17.20 | 
+3.3% | -$3.98 | 
  | 
| Reference Date: 1st Quarter 2016 |