  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $15.34 |   | $27.07 | 
  | -$11.73 | 
| 2015 | $14.98 | +2.4% | $26.44 | 
+2.4% | -$11.45 | 
| 2014 | $14.66 | +2.2% | $25.87 | 
+2.2% | -$11.20 | 
| 2013 | $14.44 | +1.5% | $25.48 | 
+1.5% | -$11.03 | 
| 2012 | $14.31 | +.9% | $25.26 | 
+.9% | -$10.94 | 
| 2011 | $14.10 | +1.5% | $24.89 | 
+1.5% | -$10.78 | 
| 2010 | $13.94 | +1.2% | $24.60 | 
+1.2% | -$10.66 | 
| 2009 | $13.79 | +1.1% | $24.34 | 
+1.1% | -$10.54 | 
| 2008 | $13.34 | +3.4% | $23.53 | 
+3.4% | -$10.19 | 
| 2007 | $12.83 | +4.0% | $22.64 | 
+4.0% | -$9.80 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $15.34 |   | $20.85 | 
  | -$5.51 | 
| 2015 | $14.98 | +2.4% | $20.27 | 
+2.9% | -$5.28 | 
| 2014 | $14.66 | +2.2% | $19.83 | 
+2.2% | -$5.17 | 
| 2013 | $14.44 | +1.5% | $19.43 | 
+2.1% | -$4.99 | 
| 2012 | $14.31 | +.9% | $19.10 | 
+1.7% | -$4.78 | 
| 2011 | $14.10 | +1.5% | $18.80 | 
+1.6% | -$4.69 | 
| 2010 | $13.94 | +1.2% | $18.48 | 
+1.7% | -$4.54 | 
| 2009 | $13.79 | +1.1% | $18.23 | 
+1.4% | -$4.43 | 
| 2008 | $13.34 | +3.4% | $17.77 | 
+2.6% | -$4.43 | 
| 2007 | $12.83 | +4.0% | $17.20 | 
+3.3% | -$4.37 | 
  | 
| Reference Date: 1st Quarter 2016 |