  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $12.08 |   | $13.30 | 
  | -$1.22 | 
| 2015 | $11.76 | +2.7% | $12.95 | 
+2.7% | -$1.18 | 
| 2014 | $11.52 | +2.0% | $12.69 | 
+2.0% | -$1.16 | 
| 2013 | $11.38 | +1.3% | $12.53 | 
+1.3% | -$1.14 | 
| 2012 | $11.21 | +1.5% | $12.35 | 
+1.5% | -$1.13 | 
| 2011 | $11.06 | +1.4% | $12.17 | 
+1.4% | -$1.11 | 
| 2010 | $10.94 | +1.1% | $12.05 | 
+1.1% | -$1.10 | 
| 2009 | $10.73 | +2.0% | $11.81 | 
+2.0% | -$1.08 | 
| 2008 | $10.43 | +2.8% | $11.49 | 
+2.8% | -$1.05 | 
| 2007 | $10.02 | +4.1% | $11.04 | 
+4.1% | -$1.01 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $12.08 |   | $18.42 | 
  | -$6.34 | 
| 2015 | $11.76 | +2.7% | $17.90 | 
+2.9% | -$6.14 | 
| 2014 | $11.52 | +2.0% | $17.52 | 
+2.2% | -$5.99 | 
| 2013 | $11.38 | +1.3% | $17.17 | 
+2.1% | -$5.78 | 
| 2012 | $11.21 | +1.5% | $16.87 | 
+1.7% | -$5.66 | 
| 2011 | $11.06 | +1.4% | $16.61 | 
+1.6% | -$5.55 | 
| 2010 | $10.94 | +1.1% | $16.33 | 
+1.7% | -$5.38 | 
| 2009 | $10.73 | +2.0% | $16.11 | 
+1.4% | -$5.38 | 
| 2008 | $10.43 | +2.8% | $15.70 | 
+2.6% | -$5.26 | 
| 2007 | $10.02 | +4.1% | $15.20 | 
+3.3% | -$5.17 | 
  | 
| Reference Date: 1st Quarter 2016 |