  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $11.04 |   | $26.18 | 
  | -$15.14 | 
| 2015 | $10.75 | +2.7% | $25.48 | 
+2.7% | -$14.73 | 
| 2014 | $10.53 | +2.0% | $24.98 | 
+2.0% | -$14.44 | 
| 2013 | $10.40 | +1.3% | $24.66 | 
+1.3% | -$14.26 | 
| 2012 | $10.25 | +1.5% | $24.30 | 
+1.5% | -$14.05 | 
| 2011 | $10.11 | +1.4% | $23.96 | 
+1.4% | -$13.85 | 
| 2010 | $10.00 | +1.1% | $23.71 | 
+1.1% | -$13.71 | 
| 2009 | $9.80 | +2.0% | $23.25 | 
+2.0% | -$13.44 | 
| 2008 | $9.54 | +2.8% | $22.61 | 
+2.8% | -$13.07 | 
| 2007 | $9.16 | +4.1% | $21.73 | 
+4.1% | -$12.56 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $11.04 |   | $20.53 | 
  | -$9.49 | 
| 2015 | $10.75 | +2.7% | $19.96 | 
+2.9% | -$9.20 | 
| 2014 | $10.53 | +2.0% | $19.53 | 
+2.2% | -$8.99 | 
| 2013 | $10.40 | +1.3% | $19.14 | 
+2.1% | -$8.73 | 
| 2012 | $10.25 | +1.5% | $18.81 | 
+1.7% | -$8.55 | 
| 2011 | $10.11 | +1.4% | $18.51 | 
+1.6% | -$8.40 | 
| 2010 | $10.00 | +1.1% | $18.20 | 
+1.7% | -$8.20 | 
| 2009 | $9.80 | +2.0% | $17.95 | 
+1.4% | -$8.15 | 
| 2008 | $9.54 | +2.8% | $17.49 | 
+2.6% | -$7.95 | 
| 2007 | $9.16 | +4.1% | $16.94 | 
+3.3% | -$7.77 | 
  | 
| Reference Date: 1st Quarter 2016 |