  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $32.74 |   | $27.20 | 
  | $5.54 | 
| 2015 | $31.87 | +2.7% | $26.48 | 
+2.7% | $5.39 | 
| 2014 | $31.24 | +2.0% | $25.95 | 
+2.0% | $5.29 | 
| 2013 | $30.84 | +1.3% | $25.62 | 
+1.3% | $5.22 | 
| 2012 | $30.39 | +1.5% | $25.25 | 
+1.5% | $5.14 | 
| 2011 | $29.97 | +1.4% | $24.90 | 
+1.4% | $5.07 | 
| 2010 | $29.65 | +1.1% | $24.63 | 
+1.1% | $5.02 | 
| 2009 | $29.07 | +2.0% | $24.15 | 
+2.0% | $4.92 | 
| 2008 | $28.28 | +2.8% | $23.49 | 
+2.8% | $4.78 | 
| 2007 | $27.17 | +4.1% | $22.57 | 
+4.1% | $4.60 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $32.74 |   | $20.85 | 
  | $11.89 | 
| 2015 | $31.87 | +2.7% | $20.27 | 
+2.9% | $11.60 | 
| 2014 | $31.24 | +2.0% | $19.83 | 
+2.2% | $11.40 | 
| 2013 | $30.84 | +1.3% | $19.43 | 
+2.1% | $11.41 | 
| 2012 | $30.39 | +1.5% | $19.10 | 
+1.7% | $11.29 | 
| 2011 | $29.97 | +1.4% | $18.80 | 
+1.6% | $11.17 | 
| 2010 | $29.65 | +1.1% | $18.48 | 
+1.7% | $11.17 | 
| 2009 | $29.07 | +2.0% | $18.23 | 
+1.4% | $10.84 | 
| 2008 | $28.28 | +2.8% | $17.77 | 
+2.6% | $10.51 | 
| 2007 | $27.17 | +4.1% | $17.20 | 
+3.3% | $9.97 | 
  | 
| Reference Date: 1st Quarter 2016 |