  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $24.47 |   | $21.70 | 
  | $2.77 | 
| 2015 | $23.86 | +2.5% | $21.16 | 
+2.5% | $2.70 | 
| 2014 | $23.37 | +2.1% | $20.73 | 
+2.1% | $2.65 | 
| 2013 | $22.88 | +2.1% | $20.29 | 
+2.1% | $2.59 | 
| 2012 | $22.55 | +1.5% | $20.00 | 
+1.5% | $2.55 | 
| 2011 | $22.06 | +2.2% | $19.56 | 
+2.2% | $2.50 | 
| 2010 | $21.80 | +1.2% | $19.34 | 
+1.2% | $2.47 | 
| 2009 | $21.43 | +1.7% | $19.00 | 
+1.7% | $2.43 | 
| 2008 | $20.80 | +3.0% | $18.45 | 
+3.0% | $2.35 | 
| 2007 | $20.20 | +3.0% | $17.91 | 
+3.0% | $2.29 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $24.47 |   | $18.42 | 
  | $6.05 | 
| 2015 | $23.86 | +2.5% | $17.90 | 
+2.9% | $5.96 | 
| 2014 | $23.37 | +2.1% | $17.52 | 
+2.2% | $5.85 | 
| 2013 | $22.88 | +2.1% | $17.17 | 
+2.1% | $5.71 | 
| 2012 | $22.55 | +1.5% | $16.87 | 
+1.7% | $5.67 | 
| 2011 | $22.06 | +2.2% | $16.61 | 
+1.6% | $5.45 | 
| 2010 | $21.80 | +1.2% | $16.33 | 
+1.7% | $5.47 | 
| 2009 | $21.43 | +1.7% | $16.11 | 
+1.4% | $5.32 | 
| 2008 | $20.80 | +3.0% | $15.70 | 
+2.6% | $5.11 | 
| 2007 | $20.20 | +3.0% | $15.20 | 
+3.3% | $5.00 | 
  | 
| Reference Date: 1st Quarter 2016 |