  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $38.06 |   | $38.35 | 
  | -$0.29 | 
| 2015 | $37.09 | +2.6% | $37.38 | 
+2.6% | -$0.28 | 
| 2014 | $36.40 | +1.9% | $36.68 | 
+1.9% | -$0.27 | 
| 2013 | $35.70 | +1.9% | $35.98 | 
+1.9% | -$0.27 | 
| 2012 | $35.01 | +2.0% | $35.28 | 
+2.0% | -$0.26 | 
| 2011 | $34.47 | +1.6% | $34.73 | 
+1.6% | -$0.26 | 
| 2010 | $33.86 | +1.8% | $34.12 | 
+1.8% | -$0.25 | 
| 2009 | $33.50 | +1.1% | $33.75 | 
+1.1% | -$0.25 | 
| 2008 | $32.50 | +3.1% | $32.75 | 
+3.1% | -$0.24 | 
| 2007 | $31.41 | +3.5% | $31.65 | 
+3.5% | -$0.23 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $38.06 |   | $20.85 | 
  | $17.21 | 
| 2015 | $37.09 | +2.6% | $20.27 | 
+2.9% | $16.83 | 
| 2014 | $36.40 | +1.9% | $19.83 | 
+2.2% | $16.57 | 
| 2013 | $35.70 | +1.9% | $19.43 | 
+2.1% | $16.27 | 
| 2012 | $35.01 | +2.0% | $19.10 | 
+1.7% | $15.91 | 
| 2011 | $34.47 | +1.6% | $18.80 | 
+1.6% | $15.67 | 
| 2010 | $33.86 | +1.8% | $18.48 | 
+1.7% | $15.38 | 
| 2009 | $33.50 | +1.1% | $18.23 | 
+1.4% | $15.27 | 
| 2008 | $32.50 | +3.1% | $17.77 | 
+2.6% | $14.74 | 
| 2007 | $31.41 | +3.5% | $17.20 | 
+3.3% | $14.21 | 
  | 
| Reference Date: 1st Quarter 2016 |