  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $11.30 |   | $10.27 | 
  | $1.03 | 
| 2015 | $11.00 | +2.7% | $10.00 | 
+2.7% | $1.00 | 
| 2014 | $10.78 | +2.0% | $9.80 | 
+2.0% | $0.98 | 
| 2013 | $10.64 | +1.3% | $9.67 | 
+1.3% | $0.97 | 
| 2012 | $10.49 | +1.5% | $9.53 | 
+1.5% | $0.96 | 
| 2011 | $10.34 | +1.4% | $9.40 | 
+1.4% | $0.94 | 
| 2010 | $10.23 | +1.1% | $9.30 | 
+1.1% | $0.93 | 
| 2009 | $10.03 | +2.0% | $9.12 | 
+2.0% | $0.91 | 
| 2008 | $9.76 | +2.8% | $8.87 | 
+2.8% | $0.89 | 
| 2007 | $9.38 | +4.1% | $8.52 | 
+4.1% | $0.85 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $11.30 |   | $18.90 | 
  | -$7.60 | 
| 2015 | $11.00 | +2.7% | $18.37 | 
+2.9% | -$7.37 | 
| 2014 | $10.78 | +2.0% | $17.98 | 
+2.2% | -$7.19 | 
| 2013 | $10.64 | +1.3% | $17.62 | 
+2.1% | -$6.97 | 
| 2012 | $10.49 | +1.5% | $17.31 | 
+1.7% | -$6.82 | 
| 2011 | $10.34 | +1.4% | $17.04 | 
+1.6% | -$6.69 | 
| 2010 | $10.23 | +1.1% | $16.75 | 
+1.7% | -$6.52 | 
| 2009 | $10.03 | +2.0% | $16.53 | 
+1.4% | -$6.49 | 
| 2008 | $9.76 | +2.8% | $16.11 | 
+2.6% | -$6.34 | 
| 2007 | $9.38 | +4.1% | $15.59 | 
+3.3% | -$6.21 | 
  | 
| Reference Date: 1st Quarter 2016 |