  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $28.50 |   | $19.17 | 
  | $9.33 | 
| 2015 | $27.60 | +3.3% | $18.56 | 
+3.3% | $9.03 | 
| 2014 | $26.97 | +2.3% | $18.14 | 
+2.3% | $8.83 | 
| 2013 | $26.46 | +1.9% | $17.80 | 
+1.9% | $8.66 | 
| 2012 | $26.02 | +1.7% | $17.50 | 
+1.7% | $8.52 | 
| 2011 | $25.60 | +1.6% | $17.22 | 
+1.6% | $8.38 | 
| 2010 | $25.33 | +1.1% | $17.03 | 
+1.1% | $8.29 | 
| 2009 | $24.89 | +1.8% | $16.74 | 
+1.8% | $8.15 | 
| 2008 | $24.24 | +2.7% | $16.30 | 
+2.7% | $7.93 | 
| 2007 | $23.68 | +2.3% | $15.93 | 
+2.3% | $7.75 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $28.50 |   | $23.35 | 
  | $5.15 | 
| 2015 | $27.60 | +3.3% | $22.70 | 
+2.9% | $4.90 | 
| 2014 | $26.97 | +2.3% | $22.21 | 
+2.2% | $4.76 | 
| 2013 | $26.46 | +1.9% | $21.76 | 
+2.1% | $4.70 | 
| 2012 | $26.02 | +1.7% | $21.39 | 
+1.7% | $4.63 | 
| 2011 | $25.60 | +1.6% | $21.05 | 
+1.6% | $4.55 | 
| 2010 | $25.33 | +1.1% | $20.70 | 
+1.7% | $4.63 | 
| 2009 | $24.89 | +1.8% | $20.42 | 
+1.4% | $4.47 | 
| 2008 | $24.24 | +2.7% | $19.90 | 
+2.6% | $4.34 | 
| 2007 | $23.68 | +2.3% | $19.26 | 
+3.3% | $4.42 | 
  | 
| Reference Date: 1st Quarter 2016 |