  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $57.79 |   | $38.66 | 
  | $19.13 | 
| 2015 | $56.32 | +2.6% | $37.68 | 
+2.6% | $18.64 | 
| 2014 | $55.27 | +1.9% | $36.97 | 
+1.9% | $18.29 | 
| 2013 | $54.21 | +1.9% | $36.27 | 
+1.9% | $17.95 | 
| 2012 | $53.16 | +2.0% | $35.56 | 
+2.0% | $17.60 | 
| 2011 | $52.33 | +1.6% | $35.01 | 
+1.6% | $17.32 | 
| 2010 | $51.41 | +1.8% | $34.40 | 
+1.8% | $17.02 | 
| 2009 | $50.86 | +1.1% | $34.03 | 
+1.1% | $16.84 | 
| 2008 | $49.35 | +3.1% | $33.01 | 
+3.1% | $16.34 | 
| 2007 | $47.70 | +3.5% | $31.91 | 
+3.5% | $15.79 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $57.79 |   | $20.85 | 
  | $36.94 | 
| 2015 | $56.32 | +2.6% | $20.27 | 
+2.9% | $36.06 | 
| 2014 | $55.27 | +1.9% | $19.83 | 
+2.2% | $35.43 | 
| 2013 | $54.21 | +1.9% | $19.43 | 
+2.1% | $34.78 | 
| 2012 | $53.16 | +2.0% | $19.10 | 
+1.7% | $34.06 | 
| 2011 | $52.33 | +1.6% | $18.80 | 
+1.6% | $33.53 | 
| 2010 | $51.41 | +1.8% | $18.48 | 
+1.7% | $32.93 | 
| 2009 | $50.86 | +1.1% | $18.23 | 
+1.4% | $32.63 | 
| 2008 | $49.35 | +3.1% | $17.77 | 
+2.6% | $31.58 | 
| 2007 | $47.70 | +3.5% | $17.20 | 
+3.3% | $30.50 | 
  | 
| Reference Date: 1st Quarter 2016 |