  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $38.35 |   | $22.96 | 
  | $15.39 | 
| 2015 | $37.33 | +2.7% | $22.35 | 
+2.7% | $14.98 | 
| 2014 | $36.59 | +2.0% | $21.90 | 
+2.0% | $14.68 | 
| 2013 | $36.12 | +1.3% | $21.63 | 
+1.3% | $14.50 | 
| 2012 | $35.60 | +1.5% | $21.31 | 
+1.5% | $14.29 | 
| 2011 | $35.10 | +1.4% | $21.02 | 
+1.4% | $14.09 | 
| 2010 | $34.73 | +1.1% | $20.79 | 
+1.1% | $13.94 | 
| 2009 | $34.05 | +2.0% | $20.39 | 
+2.0% | $13.66 | 
| 2008 | $33.12 | +2.8% | $19.83 | 
+2.8% | $13.29 | 
| 2007 | $31.82 | +4.1% | $19.05 | 
+4.1% | $12.77 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $38.35 |   | $18.90 | 
  | $19.45 | 
| 2015 | $37.33 | +2.7% | $18.37 | 
+2.9% | $18.96 | 
| 2014 | $36.59 | +2.0% | $17.98 | 
+2.2% | $18.61 | 
| 2013 | $36.12 | +1.3% | $17.62 | 
+2.1% | $18.51 | 
| 2012 | $35.60 | +1.5% | $17.31 | 
+1.7% | $18.28 | 
| 2011 | $35.10 | +1.4% | $17.04 | 
+1.6% | $18.06 | 
| 2010 | $34.73 | +1.1% | $16.75 | 
+1.7% | $17.98 | 
| 2009 | $34.05 | +2.0% | $16.53 | 
+1.4% | $17.52 | 
| 2008 | $33.12 | +2.8% | $16.11 | 
+2.6% | $17.02 | 
| 2007 | $31.82 | +4.1% | $15.59 | 
+3.3% | $16.23 | 
  | 
| Reference Date: 1st Quarter 2016 |