  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $26.07 |   | $19.17 | 
  | $6.90 | 
| 2015 | $25.24 | +3.3% | $18.56 | 
+3.3% | $6.68 | 
| 2014 | $24.67 | +2.3% | $18.14 | 
+2.3% | $6.53 | 
| 2013 | $24.20 | +1.9% | $17.80 | 
+1.9% | $6.41 | 
| 2012 | $23.80 | +1.7% | $17.50 | 
+1.7% | $6.30 | 
| 2011 | $23.42 | +1.6% | $17.22 | 
+1.6% | $6.20 | 
| 2010 | $23.17 | +1.1% | $17.03 | 
+1.1% | $6.13 | 
| 2009 | $22.76 | +1.8% | $16.74 | 
+1.8% | $6.02 | 
| 2008 | $22.17 | +2.7% | $16.30 | 
+2.7% | $5.87 | 
| 2007 | $21.66 | +2.3% | $15.93 | 
+2.3% | $5.73 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $26.07 |   | $23.35 | 
  | $2.72 | 
| 2015 | $25.24 | +3.3% | $22.70 | 
+2.9% | $2.55 | 
| 2014 | $24.67 | +2.3% | $22.21 | 
+2.2% | $2.46 | 
| 2013 | $24.20 | +1.9% | $21.76 | 
+2.1% | $2.44 | 
| 2012 | $23.80 | +1.7% | $21.39 | 
+1.7% | $2.41 | 
| 2011 | $23.42 | +1.6% | $21.05 | 
+1.6% | $2.37 | 
| 2010 | $23.17 | +1.1% | $20.70 | 
+1.7% | $2.47 | 
| 2009 | $22.76 | +1.8% | $20.42 | 
+1.4% | $2.34 | 
| 2008 | $22.17 | +2.7% | $19.90 | 
+2.6% | $2.27 | 
| 2007 | $21.66 | +2.3% | $19.26 | 
+3.3% | $2.40 | 
  | 
| Reference Date: 1st Quarter 2016 |