  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $39.98 |   | $31.07 | 
  | $8.91 | 
| 2015 | $38.60 | +3.6% | $29.99 | 
+3.6% | $8.60 | 
| 2014 | $37.68 | +2.4% | $29.29 | 
+2.4% | $8.40 | 
| 2013 | $36.77 | +2.5% | $28.58 | 
+2.5% | $8.19 | 
| 2012 | $36.17 | +1.7% | $28.11 | 
+1.7% | $8.06 | 
| 2011 | $35.61 | +1.6% | $27.67 | 
+1.6% | $7.94 | 
| 2010 | $34.85 | +2.2% | $27.09 | 
+2.2% | $7.77 | 
| 2009 | $34.60 | +.7% | $26.89 | 
+.7% | $7.71 | 
| 2008 | $33.53 | +3.2% | $26.06 | 
+3.2% | $7.47 | 
| 2007 | $32.43 | +3.4% | $25.20 | 
+3.4% | $7.23 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $39.98 |   | $19.32 | 
  | $20.66 | 
| 2015 | $38.60 | +3.6% | $18.78 | 
+2.9% | $19.82 | 
| 2014 | $37.68 | +2.4% | $18.38 | 
+2.2% | $19.31 | 
| 2013 | $36.77 | +2.5% | $18.01 | 
+2.1% | $18.76 | 
| 2012 | $36.17 | +1.7% | $17.70 | 
+1.7% | $18.48 | 
| 2011 | $35.61 | +1.6% | $17.42 | 
+1.6% | $18.19 | 
| 2010 | $34.85 | +2.2% | $17.13 | 
+1.7% | $17.73 | 
| 2009 | $34.60 | +.7% | $16.90 | 
+1.4% | $17.71 | 
| 2008 | $33.53 | +3.2% | $16.46 | 
+2.6% | $17.07 | 
| 2007 | $32.43 | +3.4% | $15.94 | 
+3.3% | $16.49 | 
  | 
| Reference Date: 1st Quarter 2016 |