  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $39.05 |   | $35.74 | 
  | $3.31 | 
| 2015 | $37.70 | +3.6% | $34.50 | 
+3.6% | $3.20 | 
| 2014 | $36.81 | +2.4% | $33.69 | 
+2.4% | $3.12 | 
| 2013 | $35.92 | +2.5% | $32.87 | 
+2.5% | $3.04 | 
| 2012 | $35.33 | +1.7% | $32.34 | 
+1.7% | $2.99 | 
| 2011 | $34.78 | +1.6% | $31.83 | 
+1.6% | $2.95 | 
| 2010 | $34.04 | +2.2% | $31.16 | 
+2.2% | $2.89 | 
| 2009 | $33.80 | +.7% | $30.93 | 
+.7% | $2.86 | 
| 2008 | $32.75 | +3.2% | $29.98 | 
+3.2% | $2.78 | 
| 2007 | $31.68 | +3.4% | $28.99 | 
+3.4% | $2.68 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $39.05 |   | $22.30 | 
  | $16.75 | 
| 2015 | $37.70 | +3.6% | $21.68 | 
+2.9% | $16.02 | 
| 2014 | $36.81 | +2.4% | $21.21 | 
+2.2% | $15.59 | 
| 2013 | $35.92 | +2.5% | $20.78 | 
+2.1% | $15.13 | 
| 2012 | $35.33 | +1.7% | $20.43 | 
+1.7% | $14.90 | 
| 2011 | $34.78 | +1.6% | $20.11 | 
+1.6% | $14.67 | 
| 2010 | $34.04 | +2.2% | $19.77 | 
+1.7% | $14.27 | 
| 2009 | $33.80 | +.7% | $19.50 | 
+1.4% | $14.29 | 
| 2008 | $32.75 | +3.2% | $19.00 | 
+2.6% | $13.75 | 
| 2007 | $31.68 | +3.4% | $18.40 | 
+3.3% | $13.28 | 
  | 
| Reference Date: 1st Quarter 2016 |