  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $24.02 |   | $19.44 | 
  | $4.58 | 
| 2015 | $23.15 | +3.8% | $18.74 | 
+3.8% | $4.41 | 
| 2014 | $22.70 | +2.0% | $18.37 | 
+2.0% | $4.33 | 
| 2013 | $22.24 | +2.0% | $18.00 | 
+2.0% | $4.24 | 
| 2012 | $21.87 | +1.7% | $17.70 | 
+1.7% | $4.17 | 
| 2011 | $21.47 | +1.8% | $17.38 | 
+1.8% | $4.09 | 
| 2010 | $21.13 | +1.6% | $17.10 | 
+1.6% | $4.03 | 
| 2009 | $20.73 | +1.9% | $16.78 | 
+1.9% | $3.95 | 
| 2008 | $20.16 | +2.8% | $16.32 | 
+2.8% | $3.84 | 
| 2007 | $19.52 | +3.3% | $15.80 | 
+3.3% | $3.72 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $24.02 |   | $20.85 | 
  | $3.17 | 
| 2015 | $23.15 | +3.8% | $20.27 | 
+2.9% | $2.88 | 
| 2014 | $22.70 | +2.0% | $19.83 | 
+2.2% | $2.86 | 
| 2013 | $22.24 | +2.0% | $19.43 | 
+2.1% | $2.81 | 
| 2012 | $21.87 | +1.7% | $19.10 | 
+1.7% | $2.77 | 
| 2011 | $21.47 | +1.8% | $18.80 | 
+1.6% | $2.67 | 
| 2010 | $21.13 | +1.6% | $18.48 | 
+1.7% | $2.65 | 
| 2009 | $20.73 | +1.9% | $18.23 | 
+1.4% | $2.50 | 
| 2008 | $20.16 | +2.8% | $17.77 | 
+2.6% | $2.40 | 
| 2007 | $19.52 | +3.3% | $17.20 | 
+3.3% | $2.32 | 
  | 
| Reference Date: 1st Quarter 2016 |