  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $11.66 |   | $17.86 | 
  | -$6.20 | 
| 2015 | $11.29 | +3.3% | $17.29 | 
+3.3% | -$6.00 | 
| 2014 | $11.03 | +2.3% | $16.90 | 
+2.3% | -$5.86 | 
| 2013 | $10.83 | +1.9% | $16.58 | 
+1.9% | -$5.75 | 
| 2012 | $10.65 | +1.7% | $16.31 | 
+1.7% | -$5.66 | 
| 2011 | $10.48 | +1.6% | $16.04 | 
+1.6% | -$5.56 | 
| 2010 | $10.36 | +1.1% | $15.87 | 
+1.1% | -$5.50 | 
| 2009 | $10.18 | +1.8% | $15.59 | 
+1.8% | -$5.41 | 
| 2008 | $9.92 | +2.7% | $15.19 | 
+2.7% | -$5.27 | 
| 2007 | $9.69 | +2.3% | $14.84 | 
+2.3% | -$5.15 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $11.66 |   | $20.85 | 
  | -$9.19 | 
| 2015 | $11.29 | +3.3% | $20.27 | 
+2.9% | -$8.97 | 
| 2014 | $11.03 | +2.3% | $19.83 | 
+2.2% | -$8.79 | 
| 2013 | $10.83 | +1.9% | $19.43 | 
+2.1% | -$8.60 | 
| 2012 | $10.65 | +1.7% | $19.10 | 
+1.7% | -$8.45 | 
| 2011 | $10.48 | +1.6% | $18.80 | 
+1.6% | -$8.32 | 
| 2010 | $10.36 | +1.1% | $18.48 | 
+1.7% | -$8.12 | 
| 2009 | $10.18 | +1.8% | $18.23 | 
+1.4% | -$8.05 | 
| 2008 | $9.92 | +2.7% | $17.77 | 
+2.6% | -$7.85 | 
| 2007 | $9.69 | +2.3% | $17.20 | 
+3.3% | -$7.51 | 
  | 
| Reference Date: 1st Quarter 2016 |