  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $28.22 |   | $17.86 | 
  | $10.36 | 
| 2015 | $27.33 | +3.3% | $17.29 | 
+3.3% | $10.03 | 
| 2014 | $26.71 | +2.3% | $16.90 | 
+2.3% | $9.80 | 
| 2013 | $26.20 | +1.9% | $16.58 | 
+1.9% | $9.62 | 
| 2012 | $25.77 | +1.7% | $16.31 | 
+1.7% | $9.46 | 
| 2011 | $25.35 | +1.6% | $16.04 | 
+1.6% | $9.31 | 
| 2010 | $25.08 | +1.1% | $15.87 | 
+1.1% | $9.21 | 
| 2009 | $24.64 | +1.8% | $15.59 | 
+1.8% | $9.05 | 
| 2008 | $24.00 | +2.7% | $15.19 | 
+2.7% | $8.81 | 
| 2007 | $23.45 | +2.3% | $14.84 | 
+2.3% | $8.61 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $28.22 |   | $20.85 | 
  | $7.37 | 
| 2015 | $27.33 | +3.3% | $20.27 | 
+2.9% | $7.06 | 
| 2014 | $26.71 | +2.3% | $19.83 | 
+2.2% | $6.87 | 
| 2013 | $26.20 | +1.9% | $19.43 | 
+2.1% | $6.77 | 
| 2012 | $25.77 | +1.7% | $19.10 | 
+1.7% | $6.67 | 
| 2011 | $25.35 | +1.6% | $18.80 | 
+1.6% | $6.55 | 
| 2010 | $25.08 | +1.1% | $18.48 | 
+1.7% | $6.59 | 
| 2009 | $24.64 | +1.8% | $18.23 | 
+1.4% | $6.41 | 
| 2008 | $24.00 | +2.7% | $17.77 | 
+2.6% | $6.23 | 
| 2007 | $23.45 | +2.3% | $17.20 | 
+3.3% | $6.25 | 
  | 
| Reference Date: 1st Quarter 2016 |