  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $20.33 |   | $28.97 | 
  | -$8.64 | 
| 2015 | $19.63 | +3.6% | $27.97 | 
+3.6% | -$8.34 | 
| 2014 | $19.16 | +2.4% | $27.31 | 
+2.4% | -$8.14 | 
| 2013 | $18.70 | +2.5% | $26.65 | 
+2.5% | -$7.94 | 
| 2012 | $18.39 | +1.7% | $26.21 | 
+1.7% | -$7.81 | 
| 2011 | $18.11 | +1.6% | $25.80 | 
+1.6% | -$7.69 | 
| 2010 | $17.72 | +2.2% | $25.25 | 
+2.2% | -$7.53 | 
| 2009 | $17.59 | +.7% | $25.07 | 
+.7% | -$7.47 | 
| 2008 | $17.05 | +3.2% | $24.30 | 
+3.2% | -$7.24 | 
| 2007 | $16.49 | +3.4% | $23.50 | 
+3.4% | -$7.00 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $20.33 |   | $18.24 | 
  | $2.09 | 
| 2015 | $19.63 | +3.6% | $17.73 | 
+2.9% | $1.90 | 
| 2014 | $19.16 | +2.4% | $17.35 | 
+2.2% | $1.81 | 
| 2013 | $18.70 | +2.5% | $17.00 | 
+2.1% | $1.70 | 
| 2012 | $18.39 | +1.7% | $16.71 | 
+1.7% | $1.69 | 
| 2011 | $18.11 | +1.6% | $16.45 | 
+1.6% | $1.66 | 
| 2010 | $17.72 | +2.2% | $16.17 | 
+1.7% | $1.55 | 
| 2009 | $17.59 | +.7% | $15.95 | 
+1.4% | $1.64 | 
| 2008 | $17.05 | +3.2% | $15.54 | 
+2.6% | $1.51 | 
| 2007 | $16.49 | +3.4% | $15.05 | 
+3.3% | $1.44 | 
  | 
| Reference Date: 1st Quarter 2016 |