  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $38.33 |   | $22.40 | 
  | $15.93 | 
| 2015 | $37.31 | +2.7% | $21.80 | 
+2.7% | $15.51 | 
| 2014 | $36.57 | +2.0% | $21.37 | 
+2.0% | $15.20 | 
| 2013 | $36.10 | +1.3% | $21.10 | 
+1.3% | $15.01 | 
| 2012 | $35.58 | +1.5% | $20.79 | 
+1.5% | $14.79 | 
| 2011 | $35.08 | +1.4% | $20.50 | 
+1.4% | $14.58 | 
| 2010 | $34.71 | +1.1% | $20.29 | 
+1.1% | $14.43 | 
| 2009 | $34.03 | +2.0% | $19.89 | 
+2.0% | $14.14 | 
| 2008 | $33.11 | +2.8% | $19.35 | 
+2.8% | $13.76 | 
| 2007 | $31.81 | +4.1% | $18.59 | 
+4.1% | $13.22 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $38.33 |   | $22.30 | 
  | $16.03 | 
| 2015 | $37.31 | +2.7% | $21.68 | 
+2.9% | $15.63 | 
| 2014 | $36.57 | +2.0% | $21.21 | 
+2.2% | $15.36 | 
| 2013 | $36.10 | +1.3% | $20.78 | 
+2.1% | $15.32 | 
| 2012 | $35.58 | +1.5% | $20.43 | 
+1.7% | $15.15 | 
| 2011 | $35.08 | +1.4% | $20.11 | 
+1.6% | $14.98 | 
| 2010 | $34.71 | +1.1% | $19.77 | 
+1.7% | $14.94 | 
| 2009 | $34.03 | +2.0% | $19.50 | 
+1.4% | $14.53 | 
| 2008 | $33.11 | +2.8% | $19.00 | 
+2.6% | $14.10 | 
| 2007 | $31.81 | +4.1% | $18.40 | 
+3.3% | $13.41 | 
  | 
| Reference Date: 1st Quarter 2016 |