  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $26.30 |   | $50.65 | 
  | -$24.35 | 
| 2015 | $25.39 | +3.6% | $48.90 | 
+3.6% | -$23.50 | 
| 2014 | $24.79 | +2.4% | $47.74 | 
+2.4% | -$22.95 | 
| 2013 | $24.19 | +2.5% | $46.59 | 
+2.5% | -$22.39 | 
| 2012 | $23.80 | +1.7% | $45.83 | 
+1.7% | -$22.03 | 
| 2011 | $23.42 | +1.6% | $45.11 | 
+1.6% | -$21.68 | 
| 2010 | $22.93 | +2.2% | $44.15 | 
+2.2% | -$21.22 | 
| 2009 | $22.76 | +.7% | $43.84 | 
+.7% | -$21.07 | 
| 2008 | $22.06 | +3.2% | $42.48 | 
+3.2% | -$20.42 | 
| 2007 | $21.33 | +3.4% | $41.09 | 
+3.4% | -$19.75 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $26.30 |   | $20.85 | 
  | $5.45 | 
| 2015 | $25.39 | +3.6% | $20.27 | 
+2.9% | $5.12 | 
| 2014 | $24.79 | +2.4% | $19.83 | 
+2.2% | $4.96 | 
| 2013 | $24.19 | +2.5% | $19.43 | 
+2.1% | $4.76 | 
| 2012 | $23.80 | +1.7% | $19.10 | 
+1.7% | $4.70 | 
| 2011 | $23.42 | +1.6% | $18.80 | 
+1.6% | $4.62 | 
| 2010 | $22.93 | +2.2% | $18.48 | 
+1.7% | $4.44 | 
| 2009 | $22.76 | +.7% | $18.23 | 
+1.4% | $4.53 | 
| 2008 | $22.06 | +3.2% | $17.77 | 
+2.6% | $4.29 | 
| 2007 | $21.33 | +3.4% | $17.20 | 
+3.3% | $4.13 | 
  | 
| Reference Date: 1st Quarter 2016 |