  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $10.92 |   | $27.20 | 
  | -$16.28 | 
| 2015 | $10.63 | +2.7% | $26.48 | 
+2.7% | -$15.84 | 
| 2014 | $10.42 | +2.0% | $25.95 | 
+2.0% | -$15.53 | 
| 2013 | $10.29 | +1.3% | $25.62 | 
+1.3% | -$15.33 | 
| 2012 | $10.14 | +1.5% | $25.25 | 
+1.5% | -$15.11 | 
| 2011 | $10.00 | +1.4% | $24.90 | 
+1.4% | -$14.90 | 
| 2010 | $9.89 | +1.1% | $24.63 | 
+1.1% | -$14.74 | 
| 2009 | $9.70 | +2.0% | $24.15 | 
+2.0% | -$14.45 | 
| 2008 | $9.43 | +2.8% | $23.49 | 
+2.8% | -$14.06 | 
| 2007 | $9.06 | +4.1% | $22.57 | 
+4.1% | -$13.50 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $10.92 |   | $20.85 | 
  | -$9.93 | 
| 2015 | $10.63 | +2.7% | $20.27 | 
+2.9% | -$9.63 | 
| 2014 | $10.42 | +2.0% | $19.83 | 
+2.2% | -$9.41 | 
| 2013 | $10.29 | +1.3% | $19.43 | 
+2.1% | -$9.14 | 
| 2012 | $10.14 | +1.5% | $19.10 | 
+1.7% | -$8.96 | 
| 2011 | $10.00 | +1.4% | $18.80 | 
+1.6% | -$8.80 | 
| 2010 | $9.89 | +1.1% | $18.48 | 
+1.7% | -$8.59 | 
| 2009 | $9.70 | +2.0% | $18.23 | 
+1.4% | -$8.53 | 
| 2008 | $9.43 | +2.8% | $17.77 | 
+2.6% | -$8.33 | 
| 2007 | $9.06 | +4.1% | $17.20 | 
+3.3% | -$8.13 | 
  | 
| Reference Date: 1st Quarter 2016 |