  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $39.31 |   | $36.59 | 
  | $2.72 | 
| 2015 | $38.31 | +2.6% | $35.66 | 
+2.6% | $2.65 | 
| 2014 | $37.59 | +1.9% | $34.99 | 
+1.9% | $2.60 | 
| 2013 | $36.88 | +1.9% | $34.32 | 
+1.9% | $2.55 | 
| 2012 | $36.16 | +2.0% | $33.66 | 
+2.0% | $2.50 | 
| 2011 | $35.60 | +1.6% | $33.13 | 
+1.6% | $2.46 | 
| 2010 | $34.97 | +1.8% | $32.55 | 
+1.8% | $2.42 | 
| 2009 | $34.60 | +1.1% | $32.21 | 
+1.1% | $2.39 | 
| 2008 | $33.57 | +3.1% | $31.25 | 
+3.1% | $2.32 | 
| 2007 | $32.45 | +3.5% | $30.20 | 
+3.5% | $2.25 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $39.31 |   | $23.35 | 
  | $15.96 | 
| 2015 | $38.31 | +2.6% | $22.70 | 
+2.9% | $15.61 | 
| 2014 | $37.59 | +1.9% | $22.21 | 
+2.2% | $15.38 | 
| 2013 | $36.88 | +1.9% | $21.76 | 
+2.1% | $15.11 | 
| 2012 | $36.16 | +2.0% | $21.39 | 
+1.7% | $14.77 | 
| 2011 | $35.60 | +1.6% | $21.05 | 
+1.6% | $14.54 | 
| 2010 | $34.97 | +1.8% | $20.70 | 
+1.7% | $14.27 | 
| 2009 | $34.60 | +1.1% | $20.42 | 
+1.4% | $14.18 | 
| 2008 | $33.57 | +3.1% | $19.90 | 
+2.6% | $13.67 | 
| 2007 | $32.45 | +3.5% | $19.26 | 
+3.3% | $13.18 | 
  | 
| Reference Date: 1st Quarter 2016 |