  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $46.66 |   | $37.63 | 
  | $9.03 | 
| 2015 | $45.47 | +2.6% | $36.67 | 
+2.6% | $8.80 | 
| 2014 | $44.62 | +1.9% | $35.99 | 
+1.9% | $8.64 | 
| 2013 | $43.77 | +1.9% | $35.30 | 
+1.9% | $8.47 | 
| 2012 | $42.92 | +2.0% | $34.61 | 
+2.0% | $8.31 | 
| 2011 | $42.25 | +1.6% | $34.08 | 
+1.6% | $8.18 | 
| 2010 | $41.51 | +1.8% | $33.48 | 
+1.8% | $8.03 | 
| 2009 | $41.07 | +1.1% | $33.12 | 
+1.1% | $7.95 | 
| 2008 | $39.85 | +3.1% | $32.13 | 
+3.1% | $7.71 | 
| 2007 | $38.51 | +3.5% | $31.06 | 
+3.5% | $7.45 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $46.66 |   | $20.85 | 
  | $25.81 | 
| 2015 | $45.47 | +2.6% | $20.27 | 
+2.9% | $25.21 | 
| 2014 | $44.62 | +1.9% | $19.83 | 
+2.2% | $24.79 | 
| 2013 | $43.77 | +1.9% | $19.43 | 
+2.1% | $24.34 | 
| 2012 | $42.92 | +2.0% | $19.10 | 
+1.7% | $23.82 | 
| 2011 | $42.25 | +1.6% | $18.80 | 
+1.6% | $23.45 | 
| 2010 | $41.51 | +1.8% | $18.48 | 
+1.7% | $23.03 | 
| 2009 | $41.07 | +1.1% | $18.23 | 
+1.4% | $22.83 | 
| 2008 | $39.85 | +3.1% | $17.77 | 
+2.6% | $22.08 | 
| 2007 | $38.51 | +3.5% | $17.20 | 
+3.3% | $21.31 | 
  | 
| Reference Date: 1st Quarter 2016 |