  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $16.75 |   | $25.44 | 
  | -$8.69 | 
| 2015 | $16.36 | +2.4% | $24.85 | 
+2.4% | -$8.48 | 
| 2014 | $16.01 | +2.2% | $24.31 | 
+2.2% | -$8.30 | 
| 2013 | $15.76 | +1.5% | $23.94 | 
+1.5% | -$8.17 | 
| 2012 | $15.63 | +.9% | $23.74 | 
+.9% | -$8.10 | 
| 2011 | $15.40 | +1.5% | $23.39 | 
+1.5% | -$7.98 | 
| 2010 | $15.22 | +1.2% | $23.12 | 
+1.2% | -$7.89 | 
| 2009 | $15.06 | +1.1% | $22.88 | 
+1.1% | -$7.81 | 
| 2008 | $14.56 | +3.4% | $22.12 | 
+3.4% | -$7.55 | 
| 2007 | $14.01 | +4.0% | $21.28 | 
+4.0% | -$7.26 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $16.75 |   | $22.30 | 
  | -$5.55 | 
| 2015 | $16.36 | +2.4% | $21.68 | 
+2.9% | -$5.31 | 
| 2014 | $16.01 | +2.2% | $21.21 | 
+2.2% | -$5.20 | 
| 2013 | $15.76 | +1.5% | $20.78 | 
+2.1% | -$5.02 | 
| 2012 | $15.63 | +.9% | $20.43 | 
+1.7% | -$4.79 | 
| 2011 | $15.40 | +1.5% | $20.11 | 
+1.6% | -$4.70 | 
| 2010 | $15.22 | +1.2% | $19.77 | 
+1.7% | -$4.54 | 
| 2009 | $15.06 | +1.1% | $19.50 | 
+1.4% | -$4.43 | 
| 2008 | $14.56 | +3.4% | $19.00 | 
+2.6% | -$4.44 | 
| 2007 | $14.01 | +4.0% | $18.40 | 
+3.3% | -$4.38 | 
  | 
| Reference Date: 1st Quarter 2016 |