  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $34.08 |   | $24.90 | 
  | $9.18 | 
| 2015 | $33.28 | +2.4% | $24.32 | 
+2.4% | $8.97 | 
| 2014 | $32.57 | +2.2% | $23.80 | 
+2.2% | $8.77 | 
| 2013 | $32.07 | +1.5% | $23.43 | 
+1.5% | $8.64 | 
| 2012 | $31.80 | +.9% | $23.23 | 
+.9% | $8.57 | 
| 2011 | $31.33 | +1.5% | $22.89 | 
+1.5% | $8.44 | 
| 2010 | $30.97 | +1.2% | $22.63 | 
+1.2% | $8.34 | 
| 2009 | $30.64 | +1.1% | $22.39 | 
+1.1% | $8.25 | 
| 2008 | $29.63 | +3.4% | $21.65 | 
+3.4% | $7.98 | 
| 2007 | $28.50 | +4.0% | $20.82 | 
+4.0% | $7.68 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $34.08 |   | $19.32 | 
  | $14.76 | 
| 2015 | $33.28 | +2.4% | $18.78 | 
+2.9% | $14.50 | 
| 2014 | $32.57 | +2.2% | $18.38 | 
+2.2% | $14.19 | 
| 2013 | $32.07 | +1.5% | $18.01 | 
+2.1% | $14.07 | 
| 2012 | $31.80 | +.9% | $17.70 | 
+1.7% | $14.10 | 
| 2011 | $31.33 | +1.5% | $17.42 | 
+1.6% | $13.91 | 
| 2010 | $30.97 | +1.2% | $17.13 | 
+1.7% | $13.85 | 
| 2009 | $30.64 | +1.1% | $16.90 | 
+1.4% | $13.75 | 
| 2008 | $29.63 | +3.4% | $16.46 | 
+2.6% | $13.16 | 
| 2007 | $28.50 | +4.0% | $15.94 | 
+3.3% | $12.56 | 
  | 
| Reference Date: 1st Quarter 2016 |