  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $39.47 |   | $17.47 | 
  | $22.00 | 
| 2015 | $38.95 | +1.3% | $17.24 | 
+1.3% | $21.71 | 
| 2014 | $37.84 | +2.9% | $16.75 | 
+2.9% | $21.09 | 
| 2013 | $36.93 | +2.5% | $16.34 | 
+2.5% | $20.58 | 
| 2012 | $36.18 | +2.1% | $16.01 | 
+2.1% | $20.16 | 
| 2011 | $35.46 | +2.0% | $15.69 | 
+2.0% | $19.76 | 
| 2010 | $34.64 | +2.4% | $15.33 | 
+2.4% | $19.31 | 
| 2009 | $34.48 | +.5% | $15.26 | 
+.5% | $19.22 | 
| 2008 | $34.41 | +.2% | $15.23 | 
+.2% | $19.18 | 
| 2007 | $33.47 | +2.8% | $14.81 | 
+2.8% | $18.65 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $39.47 |   | $23.35 | 
  | $16.12 | 
| 2015 | $38.95 | +1.3% | $22.70 | 
+2.9% | $16.25 | 
| 2014 | $37.84 | +2.9% | $22.21 | 
+2.2% | $15.63 | 
| 2013 | $36.93 | +2.5% | $21.76 | 
+2.1% | $15.16 | 
| 2012 | $36.18 | +2.1% | $21.39 | 
+1.7% | $14.79 | 
| 2011 | $35.46 | +2.0% | $21.05 | 
+1.6% | $14.40 | 
| 2010 | $34.64 | +2.4% | $20.70 | 
+1.7% | $13.94 | 
| 2009 | $34.48 | +.5% | $20.42 | 
+1.4% | $14.06 | 
| 2008 | $34.41 | +.2% | $19.90 | 
+2.6% | $14.52 | 
| 2007 | $33.47 | +2.8% | $19.26 | 
+3.3% | $14.21 | 
  | 
| Reference Date: 1st Quarter 2016 |