  | 
| Mean Wage History | 
| Year | This Occupation | Compared to Occupational Group | Difference | 
| Current | $38.14 |   | $28.62 | 
  | $9.52 | 
| 2015 | $37.17 | +2.6% | $27.89 | 
+2.6% | $9.28 | 
| 2014 | $36.48 | +1.9% | $27.37 | 
+1.9% | $9.10 | 
| 2013 | $35.78 | +1.9% | $26.85 | 
+1.9% | $8.93 | 
| 2012 | $35.08 | +2.0% | $26.33 | 
+2.0% | $8.76 | 
| 2011 | $34.54 | +1.6% | $25.92 | 
+1.6% | $8.62 | 
| 2010 | $33.93 | +1.8% | $25.46 | 
+1.8% | $8.47 | 
| 2009 | $33.57 | +1.1% | $25.19 | 
+1.1% | $8.38 | 
| 2008 | $32.57 | +3.1% | $24.44 | 
+3.1% | $8.13 | 
| 2007 | $31.48 | +3.5% | $23.62 | 
+3.5% | $7.86 | 
| Year | This Occupation | Compared to All Occupations | Difference | 
| Current | $38.14 |   | $20.85 | 
  | $17.29 | 
| 2015 | $37.17 | +2.6% | $20.27 | 
+2.9% | $16.90 | 
| 2014 | $36.48 | +1.9% | $19.83 | 
+2.2% | $16.64 | 
| 2013 | $35.78 | +1.9% | $19.43 | 
+2.1% | $16.35 | 
| 2012 | $35.08 | +2.0% | $19.10 | 
+1.7% | $15.98 | 
| 2011 | $34.54 | +1.6% | $18.80 | 
+1.6% | $15.74 | 
| 2010 | $33.93 | +1.8% | $18.48 | 
+1.7% | $15.45 | 
| 2009 | $33.57 | +1.1% | $18.23 | 
+1.4% | $15.34 | 
| 2008 | $32.57 | +3.1% | $17.77 | 
+2.6% | $14.80 | 
| 2007 | $31.48 | +3.5% | $17.20 | 
+3.3% | $14.28 | 
  | 
| Reference Date: 1st Quarter 2016 |