  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $29.10 |   | $20.05 | 
  | $9.05 | 
| 2015 | $28.05 | +3.8% | $19.32 | 
+3.8% | $8.72 | 
| 2014 | $27.50 | +2.0% | $18.95 | 
+2.0% | $8.55 | 
| 2013 | $26.95 | +2.0% | $18.57 | 
+2.0% | $8.38 | 
| 2012 | $26.49 | +1.7% | $18.25 | 
+1.7% | $8.24 | 
| 2011 | $26.01 | +1.8% | $17.92 | 
+1.8% | $8.09 | 
| 2010 | $25.60 | +1.6% | $17.64 | 
+1.6% | $7.96 | 
| 2009 | $25.12 | +1.9% | $17.31 | 
+1.9% | $7.81 | 
| 2008 | $24.43 | +2.8% | $16.83 | 
+2.8% | $7.60 | 
| 2007 | $23.65 | +3.3% | $16.30 | 
+3.3% | $7.36 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $29.10 |   | $23.35 | 
  | $5.75 | 
| 2015 | $28.05 | +3.8% | $22.70 | 
+2.9% | $5.35 | 
| 2014 | $27.50 | +2.0% | $22.21 | 
+2.2% | $5.29 | 
| 2013 | $26.95 | +2.0% | $21.76 | 
+2.1% | $5.18 | 
| 2012 | $26.49 | +1.7% | $21.39 | 
+1.7% | $5.10 | 
| 2011 | $26.01 | +1.8% | $21.05 | 
+1.6% | $4.95 | 
| 2010 | $25.60 | +1.6% | $20.70 | 
+1.7% | $4.90 | 
| 2009 | $25.12 | +1.9% | $20.42 | 
+1.4% | $4.70 | 
| 2008 | $24.43 | +2.8% | $19.90 | 
+2.6% | $4.53 | 
| 2007 | $23.65 | +3.3% | $19.26 | 
+3.3% | $4.39 | 
  | 
| Reference Date: 1st Quarter 2016 |