  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $35.15 |   | $26.26 | 
  | $8.89 | 
| 2015 | $34.21 | +2.7% | $25.56 | 
+2.7% | $8.65 | 
| 2014 | $33.53 | +2.0% | $25.05 | 
+2.0% | $8.48 | 
| 2013 | $33.11 | +1.3% | $24.74 | 
+1.3% | $8.37 | 
| 2012 | $32.63 | +1.5% | $24.38 | 
+1.5% | $8.25 | 
| 2011 | $32.17 | +1.4% | $24.04 | 
+1.4% | $8.14 | 
| 2010 | $31.83 | +1.1% | $23.78 | 
+1.1% | $8.05 | 
| 2009 | $31.21 | +2.0% | $23.32 | 
+2.0% | $7.89 | 
| 2008 | $30.36 | +2.8% | $22.68 | 
+2.8% | $7.68 | 
| 2007 | $29.17 | +4.1% | $21.79 | 
+4.1% | $7.38 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $35.15 |   | $19.47 | 
  | $15.68 | 
| 2015 | $34.21 | +2.7% | $18.93 | 
+2.9% | $15.29 | 
| 2014 | $33.53 | +2.0% | $18.52 | 
+2.2% | $15.01 | 
| 2013 | $33.11 | +1.3% | $18.15 | 
+2.1% | $14.96 | 
| 2012 | $32.63 | +1.5% | $17.84 | 
+1.7% | $14.79 | 
| 2011 | $32.17 | +1.4% | $17.56 | 
+1.6% | $14.62 | 
| 2010 | $31.83 | +1.1% | $17.26 | 
+1.7% | $14.57 | 
| 2009 | $31.21 | +2.0% | $17.03 | 
+1.4% | $14.18 | 
| 2008 | $30.36 | +2.8% | $16.59 | 
+2.6% | $13.77 | 
| 2007 | $29.17 | +4.1% | $16.06 | 
+3.3% | $13.11 | 
  | 
| Reference Date: 1st Quarter 2016 |