  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $28.46 |   | $41.11 | 
  | -$12.65 | 
| 2015 | $27.74 | +2.6% | $40.07 | 
+2.6% | -$12.32 | 
| 2014 | $27.22 | +1.9% | $39.32 | 
+1.9% | -$12.09 | 
| 2013 | $26.70 | +1.9% | $38.57 | 
+1.9% | -$11.86 | 
| 2012 | $26.18 | +2.0% | $37.81 | 
+2.0% | -$11.63 | 
| 2011 | $25.77 | +1.6% | $37.23 | 
+1.6% | -$11.45 | 
| 2010 | $25.32 | +1.8% | $36.57 | 
+1.8% | -$11.25 | 
| 2009 | $25.05 | +1.1% | $36.18 | 
+1.1% | -$11.13 | 
| 2008 | $24.30 | +3.1% | $35.11 | 
+3.1% | -$10.80 | 
| 2007 | $23.49 | +3.5% | $33.93 | 
+3.5% | -$10.44 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $28.46 |   | $20.85 | 
  | $7.61 | 
| 2015 | $27.74 | +2.6% | $20.27 | 
+2.9% | $7.47 | 
| 2014 | $27.22 | +1.9% | $19.83 | 
+2.2% | $7.38 | 
| 2013 | $26.70 | +1.9% | $19.43 | 
+2.1% | $7.26 | 
| 2012 | $26.18 | +2.0% | $19.10 | 
+1.7% | $7.08 | 
| 2011 | $25.77 | +1.6% | $18.80 | 
+1.6% | $6.97 | 
| 2010 | $25.32 | +1.8% | $18.48 | 
+1.7% | $6.84 | 
| 2009 | $25.05 | +1.1% | $18.23 | 
+1.4% | $6.82 | 
| 2008 | $24.30 | +3.1% | $17.77 | 
+2.6% | $6.54 | 
| 2007 | $23.49 | +3.5% | $17.20 | 
+3.3% | $6.29 | 
  | 
| Reference Date: 1st Quarter 2016 |