  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $11.22 |   | $17.86 | 
  | -$6.64 | 
| 2015 | $10.86 | +3.3% | $17.29 | 
+3.3% | -$6.42 | 
| 2014 | $10.62 | +2.3% | $16.90 | 
+2.3% | -$6.28 | 
| 2013 | $10.42 | +1.9% | $16.58 | 
+1.9% | -$6.16 | 
| 2012 | $10.24 | +1.7% | $16.31 | 
+1.7% | -$6.06 | 
| 2011 | $10.08 | +1.6% | $16.04 | 
+1.6% | -$5.96 | 
| 2010 | $9.97 | +1.1% | $15.87 | 
+1.1% | -$5.90 | 
| 2009 | $9.80 | +1.8% | $15.59 | 
+1.8% | -$5.79 | 
| 2008 | $9.54 | +2.7% | $15.19 | 
+2.7% | -$5.64 | 
| 2007 | $9.32 | +2.3% | $14.84 | 
+2.3% | -$5.51 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $11.22 |   | $20.85 | 
  | -$9.63 | 
| 2015 | $10.86 | +3.3% | $20.27 | 
+2.9% | -$9.40 | 
| 2014 | $10.62 | +2.3% | $19.83 | 
+2.2% | -$9.21 | 
| 2013 | $10.42 | +1.9% | $19.43 | 
+2.1% | -$9.01 | 
| 2012 | $10.24 | +1.7% | $19.10 | 
+1.7% | -$8.85 | 
| 2011 | $10.08 | +1.6% | $18.80 | 
+1.6% | -$8.72 | 
| 2010 | $9.97 | +1.1% | $18.48 | 
+1.7% | -$8.51 | 
| 2009 | $9.80 | +1.8% | $18.23 | 
+1.4% | -$8.43 | 
| 2008 | $9.54 | +2.7% | $17.77 | 
+2.6% | -$8.22 | 
| 2007 | $9.32 | +2.3% | $17.20 | 
+3.3% | -$7.87 | 
  | 
| Reference Date: 1st Quarter 2016 |