  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $25.45 |   | $27.58 | 
  | -$2.13 | 
| 2015 | $24.80 | +2.6% | $26.88 | 
+2.6% | -$2.07 | 
| 2014 | $24.34 | +1.9% | $26.38 | 
+1.9% | -$2.03 | 
| 2013 | $23.87 | +1.9% | $25.87 | 
+1.9% | -$1.99 | 
| 2012 | $23.41 | +2.0% | $25.37 | 
+2.0% | -$1.95 | 
| 2011 | $23.05 | +1.6% | $24.98 | 
+1.6% | -$1.92 | 
| 2010 | $22.64 | +1.8% | $24.54 | 
+1.8% | -$1.89 | 
| 2009 | $22.40 | +1.1% | $24.27 | 
+1.1% | -$1.87 | 
| 2008 | $21.73 | +3.1% | $23.55 | 
+3.1% | -$1.81 | 
| 2007 | $21.01 | +3.5% | $22.76 | 
+3.5% | -$1.75 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $25.45 |   | $23.35 | 
  | $2.10 | 
| 2015 | $24.80 | +2.6% | $22.70 | 
+2.9% | $2.11 | 
| 2014 | $24.34 | +1.9% | $22.21 | 
+2.2% | $2.13 | 
| 2013 | $23.87 | +1.9% | $21.76 | 
+2.1% | $2.11 | 
| 2012 | $23.41 | +2.0% | $21.39 | 
+1.7% | $2.02 | 
| 2011 | $23.05 | +1.6% | $21.05 | 
+1.6% | $1.99 | 
| 2010 | $22.64 | +1.8% | $20.70 | 
+1.7% | $1.94 | 
| 2009 | $22.40 | +1.1% | $20.42 | 
+1.4% | $1.98 | 
| 2008 | $21.73 | +3.1% | $19.90 | 
+2.6% | $1.84 | 
| 2007 | $21.01 | +3.5% | $19.26 | 
+3.3% | $1.74 | 
  | 
| Reference Date: 1st Quarter 2016 |