  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $32.06 |   | $26.26 | 
  | $5.80 | 
| 2015 | $31.21 | +2.7% | $25.56 | 
+2.7% | $5.65 | 
| 2014 | $30.59 | +2.0% | $25.05 | 
+2.0% | $5.53 | 
| 2013 | $30.20 | +1.3% | $24.74 | 
+1.3% | $5.46 | 
| 2012 | $29.76 | +1.5% | $24.38 | 
+1.5% | $5.38 | 
| 2011 | $29.35 | +1.4% | $24.04 | 
+1.4% | $5.31 | 
| 2010 | $29.03 | +1.1% | $23.78 | 
+1.1% | $5.25 | 
| 2009 | $28.47 | +2.0% | $23.32 | 
+2.0% | $5.15 | 
| 2008 | $27.69 | +2.8% | $22.68 | 
+2.8% | $5.01 | 
| 2007 | $26.60 | +4.1% | $21.79 | 
+4.1% | $4.81 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $32.06 |   | $19.47 | 
  | $12.59 | 
| 2015 | $31.21 | +2.7% | $18.93 | 
+2.9% | $12.28 | 
| 2014 | $30.59 | +2.0% | $18.52 | 
+2.2% | $12.07 | 
| 2013 | $30.20 | +1.3% | $18.15 | 
+2.1% | $12.05 | 
| 2012 | $29.76 | +1.5% | $17.84 | 
+1.7% | $11.92 | 
| 2011 | $29.35 | +1.4% | $17.56 | 
+1.6% | $11.79 | 
| 2010 | $29.03 | +1.1% | $17.26 | 
+1.7% | $11.78 | 
| 2009 | $28.47 | +2.0% | $17.03 | 
+1.4% | $11.44 | 
| 2008 | $27.69 | +2.8% | $16.59 | 
+2.6% | $11.10 | 
| 2007 | $26.60 | +4.1% | $16.06 | 
+3.3% | $10.54 | 
  | 
| Reference Date: 1st Quarter 2016 |